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Mount Prospect 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Mount Prospect

Illinois, United States Of America

Long range weather outlook for Mount Prospect includes 14 day forecast summary:

The next 14 day outlook for Mount Prospect shows the average daytime maximum temperature will be around 21°C, with a high for the two weeks of 33°C expected on the afternoon of Thursday 15th. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Tuesday 20th at 7°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Wednesday 21st will have the most precipitation with an accumulation of around 21.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		00:00

ESE
ESE

 4 / 9 mph 59 / 59°F 81% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 4 / 9 mph 53 / 53°F 79% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 3 / 7 mph 57 / 56°F 72% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 7 / 8 mph 72 / 69°F 45% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 9 / 11 mph 75 / 76°F 42% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 8 / 9 mph 75 / 76°F 52% 1013 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 42%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

 6 / 8 mph 69 / 67°F 63% 1012 mb
Low level cloud: 15%
Mid level cloud: 25%
High level cloud: 12%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 4 / 8 mph 62 / 62°F 92% 1012 mb
Low level cloud: 22%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
55%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 13
May		15:00

E
E

 7 / 8 mph 76 / 77°F 58% 1008 mb
Low level cloud: 15%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 7 / 8 mph 72 / 68°F 74% 1007 mb
Low level cloud: 14%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 5 / 7 mph 64 / 64°F 86% 1008 mb
Low level cloud: 6%
Mid level cloud: 11%
High level cloud: 22%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 14
May		00:00

E
E

 4 / 6 mph 61 / 61°F 91% 1008 mb
Low level cloud: 11%
Mid level cloud: 20%
High level cloud: 16%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 2 / 4 mph 58 / 60°F 93% 1007 mb
Low level cloud: 15%
Mid level cloud: 18%
High level cloud: 31%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 3 / 6 mph 61 / 60°F 89% 1007 mb
Low level cloud: 22%
Mid level cloud: 29%
High level cloud: 11%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 5 / 5 mph 73 / 76°F 65% 1007 mb
Low level cloud: 1%
Mid level cloud: 20%
High level cloud: 6%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 6 / 7 mph 81 / 79°F 50% 1006 mb
Low level cloud: 1%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 7 / 9 mph 75 / 76°F 62% 1005 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 7 / 9 mph 72 / 68°F 72% 1005 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 3%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 5 / 9 mph 66 / 66°F 77% 1005 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 15
May		00:00

SSE
SSE

 5 / 10 mph 64 / 64°F 79% 1004 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 6 / 12 mph 64 / 64°F 86% 1003 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

 8 / 15 mph 67 / 66°F 87% 1002 mb
Low level cloud: 53%
Mid level cloud: 46%
High level cloud: 86%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 13 / 17 mph 78 / 79°F 69% 1000 mb
Low level cloud: 23%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 16 / 18 mph 87 / 88°F 48% 998 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 16 / 19 mph 91 / 92°F 43% 996 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 15 / 21 mph 81 / 81°F 54% 998 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 18%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 13 / 15 mph 71 / 71°F 59% 1002 mb
Low level cloud: 11%
Mid level cloud: 2%
High level cloud: 26%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 16
May		00:00

SW
SW

 6 / 8 mph 66 / 66°F 58% 1003 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 10 / 15 mph 64 / 64°F 68% 1004 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 11 / 16 mph 66 / 64°F 64% 1004 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 15 / 17 mph 76 / 77°F 45% 1003 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 15 / 17 mph 81 / 79°F 38% 1002 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 11 / 13 mph 83 / 80°F 33% 1000 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 10%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 18 / 23 mph 60 / 60°F 88% 1001 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 46%
Most Significant Cloud Type: medium
89%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
21:00

WSW
WSW

 7 / 15 mph 59 / 59°F 84% 1002 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sat 17
May		00:00

W
W

 6 / 9 mph 59 / 59°F 83% 1003 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 7 / 12 mph 57 / 56°F 78% 1004 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 12 / 17 mph 58 / 55°F 68% 1004 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 18 / 20 mph 65 / 64°F 47% 1004 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 18 / 21 mph 69 / 68°F 42% 1005 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 16 / 19 mph 71 / 69°F 40% 1006 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 11 / 13 mph 69 / 67°F 50% 1008 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 7 / 8 mph 60 / 60°F 68% 1010 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 18
May		00:00

NW
NW

 9 / 10 mph 56 / 54°F 64% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 9 / 10 mph 52 / 49°F 66% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 11 / 13 mph 49 / 43°F 65% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 11 / 13 mph 55 / 51°F 52% 1015 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 10 / 12 mph 63 / 61°F 47% 1015 mb
Low level cloud: 32%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 8 / 9 mph 63 / 61°F 52% 1016 mb
Low level cloud: 61%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 6 / 7 mph 60 / 57°F 60% 1017 mb
Low level cloud: 62%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 4 / 5 mph 57 / 57°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 19
May		00:00

ESE
ESE

 4 / 7 mph 66 / 66°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
06:00

NNE
NNE

 8 / 17 mph 50 / 47°F 66% 1014 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
4%
0.0 In
12:00

WSW
WSW

 2 / 3 mph 70 / 70°F 42% 1014 mb
Low level cloud: 1%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.0 In
18:00

E
E

 9 / 17 mph 58 / 56°F 63% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
0.0 In
Tue 20
May		00:00

S
S

 13 / 27 mph 67 / 67°F 95% 998 mb
Low level cloud: 95%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSE
SSE

 12 / 24 mph 67 / 67°F 95% 1009 mb
Low level cloud: 98%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SSW
SSW

 15 / 31 mph 85 / 89°F 56% 1000 mb
Low level cloud: 31%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
18:00

ESE
ESE

 11 / 20 mph 55 / 52°F 81% 1014 mb
Low level cloud: 38%
Mid level cloud: 100%
High level cloud: 5%
Most Significant Cloud Type: low
73%
0.0 In
Wed 21
May		00:00

WSW
WSW

 13 / 27 mph 64 / 64°F 97% 992 mb
Low level cloud: 100%
Mid level cloud: 73%
High level cloud: 9%
Most Significant Cloud Type: low
100%
1.5 In
06:00

E
E

 13 / 25 mph 48 / 42°F 97% 1004 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.6 In
12:00

W
W

 16 / 33 mph 60 / 60°F 69% 1007 mb
Low level cloud: 81%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
84%
0.2 In
18:00

WSW
WSW

 7 / 15 mph 61 / 62°F 91% 998 mb
Low level cloud: 78%
Mid level cloud: 93%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.2 In
Thu 22
May		00:00

W
W

 4 / 8 mph 63 / 63°F 85% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
0.0 In
06:00

NNW
NNW

 12 / 26 mph 46 / 41°F 91% 1002 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SSW
SSW

 11 / 23 mph 78 / 79°F 49% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 74%
Most Significant Cloud Type: medium
7%
0.0 In
18:00

NNW
NNW

 12 / 25 mph 52 / 48°F 94% 1012 mb
Low level cloud: 100%
Mid level cloud: 82%
High level cloud: 90%
Most Significant Cloud Type: low
100%
0.1 In
Fri 23
May		00:00

SSW
SSW

 8 / 17 mph 68 / 68°F 93% 1011 mb
Low level cloud: 21%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
47%
0.1 In
06:00

NNW
NNW

 8 / 17 mph 50 / 47°F 75% 1018 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
0.0 In
12:00

WSW
WSW

 11 / 23 mph 69 / 69°F 83% 1010 mb
Low level cloud: 20%
Mid level cloud: 60%
High level cloud: 12%
Most Significant Cloud Type: medium
100%
0.1 In
18:00

N
N

 2 / 4 mph 63 / 63°F 55% 1018 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
0.0 In
Sat 24
May		00:00

NW
NW

 5 / 10 mph 69 / 69°F 89% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.2 In
06:00

WNW
WNW

 6 / 13 mph 55 / 53°F 76% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
12:00

WNW
WNW

 6 / 13 mph 75 / 77°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 43%
Most Significant Cloud Type: medium
10%
0.0 In
18:00

WNW
WNW

 6 / 13 mph 71 / 71°F 51% 1013 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 1%
Most Significant Cloud Type: medium
27%
0.0 In
Sun 25
May		00:00

NW
NW

 6 / 12 mph 65 / 65°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
06:00

N
N

 6 / 13 mph 61 / 61°F 78% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
12:00

NW
NW

 9 / 19 mph 69 / 69°F 46% 1019 mb
Low level cloud: 6%
Mid level cloud: 81%
High level cloud: 0%
Most Significant Cloud Type: medium
97%
0.0 In
18:00

NE
NE

 12 / 25 mph 53 / 49°F 64% 1012 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
0.0 In
Mon 26
May		00:00

NE
NE

 2 / 5 mph 63 / 63°F 77% 1023 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
06:00

NNE
NNE

 11 / 23 mph 47 / 41°F 96% 1013 mb
Low level cloud: 100%
Mid level cloud: 56%
High level cloud: 94%
Most Significant Cloud Type: low
100%
0.4 In
12:00

E
E

 8 / 16 mph 68 / 68°F 41% 1023 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
18:00

NNE
NNE

 10 / 21 mph 53 / 49°F 63% 1017 mb
Low level cloud: 33%
Mid level cloud: 98%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
Tue 27
May		00:00

SSE
SSE

 10 / 20 mph 60 / 60°F 66% 1018 mb
Low level cloud: 61%
Mid level cloud: 94%
High level cloud: 32%
Most Significant Cloud Type: low
97%
0.0 In
06:00

N
N

 9 / 19 mph 52 / 48°F 84% 1020 mb
Low level cloud: 54%
Mid level cloud: 43%
High level cloud: 5%
Most Significant Cloud Type: low
70%
0.0 In
12:00

SSW
SSW

 17 / 36 mph 74 / 77°F 72% 1007 mb
Low level cloud: 92%
Mid level cloud: 8%
High level cloud: 5%
Most Significant Cloud Type: low
95%
0.2 In
18:00

NNE
NNE

 8 / 17 mph 62 / 62°F 53% 1020 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 7%
Most Significant Cloud Type: medium
17%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure