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Lemont Weather Forecast

Temperature, wind, rain and more for Lemont

Illinois, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 03
Jul		09:00

WNW
WNW

 4 / 4 mph 85 / 84°F 56% 1016 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
12:00

WSW
WSW

 7 / 8 mph 90 / 89°F 41% 1015 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 8 / 10 mph 90 / 89°F 40% 1015 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 6 / 8 mph 89 / 90°F 58% 1015 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 3 / 4 mph 81 / 85°F 70% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 04
Jul		00:00

S
S

 3 / 6 mph 76 / 79°F 76% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 12%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 4 / 7 mph 73 / 77°F 82% 1017 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 2%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 5 / 8 mph 76 / 77°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 8 / 9 mph 85 / 85°F 63% 1019 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 5%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 10 / 11 mph 89 / 92°F 51% 1018 mb
Low level cloud: 29%
Mid level cloud: 18%
High level cloud: 16%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 10 / 12 mph 90 / 91°F 49% 1017 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 43%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 7 / 8 mph 90 / 96°F 62% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 9%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 6 / 7 mph 83 / 91°F 75% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Lemont:

The forecast for Lemont in the coming week is predicting the average daytime maximum temperature will be around 31°C, with a high for the week of 33°C expected on the afternoon of Saturday 5th. The mean minimum temperature will be 22°C, dipping to its lowest on the morning of Thursday 10th at 17°C. Expect the week ahead to have mixed overhead conditions with some days dry and some seeing a significant amount of rain. Predictions are Sunday 10th will have the most precipitation with an accumulation of around 18.0mm. 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