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Chicago Weather Forecast

Temperature, wind, rain and more for Chicago

Illinois, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 15
Dec		12:00

SW
SW

 14 / 17 mph 19 / 5°F 61% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 9 / 12 mph 21 / 11°F 71% 1020 mb
Low level cloud: 1%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 6 / 9 mph 22 / 14°F 82% 1021 mb
Low level cloud: 5%
Mid level cloud: 45%
High level cloud: 12%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 4 / 7 mph 22 / 16°F 91% 1020 mb
Low level cloud: 12%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 16
Dec		00:00

SSW
SSW

 2 / 5 mph 20 / 17°F 94% 1019 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 80%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 4 / 8 mph 20 / 15°F 93% 1018 mb
Low level cloud: 4%
Mid level cloud: 1%
High level cloud: 2%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 6 / 13 mph 21 / 13°F 87% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 9 / 15 mph 25 / 16°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 9%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 12 / 16 mph 34 / 25°F 78% 1012 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
15:00

SW
SW

 13 / 20 mph 35 / 26°F 86% 1009 mb
Low level cloud: 27%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 14 / 22 mph 34 / 25°F 91% 1009 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 14 / 22 mph 34 / 25°F 93% 1009 mb
Low level cloud: 77%
Mid level cloud: 6%
High level cloud: 96%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Chicago:

The next 7 day outlook for Chicago shows the average daytime maximum temperature will be around 1°C, with a high for the week of 8°C expected on the afternoon of Thursday 18th. The mean minimum temperature will be -5°C, dipping to its lowest on the morning of Monday 15th at -13°C. The coming week will have mostly dry days although Thursday is likely to see a significant amount of rain or snow. Current predictions suggest Thursday 15th will have the most precipitation with an accumulation of around 10.0mm. 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