Hourly Weather Forecast - Sullivan, IL

12 AM
56°F
10%
9mph
SW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
1 AM
56°F
10%
9mph
SW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
2 AM
55°F
10%
8mph
SW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
3 AM
55°F
10%
8mph
SW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend 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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