Hourly Weather Forecast - Frankfort, IL

12 AM
41°F
10%
4mph
WSW
Partly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
37°F
1 AM
41°F
10%
3mph
SW
Partly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
37°F
2 AM
40°F
10%
3mph
S
Cloudy
Humidity
87%
Feels like
40°F
Dew Point
37°F
3 AM
40°F
10%
3mph
SSE
Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
4 AM
39°F
10%
2mph
SSE
Cloudy
Humidity
91%
Feels like
39°F
Dew Point
37°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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