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Mount Vernon Weather Forecast

Temperature, wind, rain and more for Mount Vernon

Iowa, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 17
Dec		00:00

WNW
WNW

 10 / 21 mph 36 / 29°F 83% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 9 / 18 mph 34 / 28°F 89% 1014 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
06:00

NW
NW

 7 / 14 mph 28 / 20°F 90% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 4 / 9 mph 28 / 24°F 91% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 55%
Most Significant Cloud Type: high
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

 4 / 7 mph 33 / 29°F 89% 1017 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 6%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 9 / 17 mph 34 / 26°F 88% 1013 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
18:00

SSE
SSE

 12 / 25 mph 31 / 22°F 86% 1010 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
21:00

SSE
SSE

 15 / 29 mph 34 / 24°F 89% 1006 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: medium
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 18
Dec		00:00

SSE
SSE

 16 / 30 mph 37 / 28°F 96% 1001 mb
Low level cloud: 64%
Mid level cloud: 45%
High level cloud: 87%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 15 / 28 mph 41 / 33°F 100% 998 mb
Low level cloud: 100%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 15 / 29 mph 44 / 36°F 100% 994 mb
Low level cloud: 100%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 16 / 24 mph 36 / 26°F 95% 996 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

WSW
WSW

 11 / 16 mph 39 / 32°F 87% 996 mb
Low level cloud: 4%
Mid level cloud: 5%
High level cloud: 79%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 21 / 29 mph 35 / 23°F 69% 998 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 21 / 31 mph 27 / 13°F 75% 1001 mb
Low level cloud: 63%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 22 / 28 mph 20 / 4°F 76% 1004 mb
Low level cloud: 100%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Mount Vernon:

For Mount Vernon in the coming week the average daytime maximum temperature will be around 4°C, with a high for the week of 10°C expected on the evening of Wednesday 24th. The mean minimum temperature will be -3°C, dipping to its lowest on the morning of Friday 19th at -10°C. Expect the coming week to have mostly dry days although Thursday is likely to see a little rain or sleet. The indicators are that Thursday 19th will have the most precipitation with an accumulation of around 4.0mm. On the whole winds are likely to be moderate.

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