Hourly Weather Forecast - Chicago/O'Hare International Airport, IL

12 AM
39°F
10%
8mph
NNE
Mostly Cloudy
Humidity
80%
Feels like
33°F
Dew Point
33°F
1 AM
39°F
10%
8mph
NE
Partly Cloudy
Humidity
81%
Feels like
33°F
Dew Point
33°F
2 AM
38°F
10%
7mph
SE
Cloudy
Humidity
83%
Feels like
33°F
Dew Point
33°F
3 AM
38°F
10%
7mph
SSE
Cloudy
Humidity
84%
Feels like
33°F
Dew Point
33°F
4 AM
38°F
10%
7mph
SSE
Cloudy
Humidity
85%
Feels like
32°F
Dew Point
34°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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