Hourly Weather Forecast - East Saint Louis, IL

12 AM
50°F
0%
6mph
SSE
Partly Cloudy
Humidity
72%
Feels like
50°F
Dew Point
42°F
1 AM
49°F
0%
6mph
SSE
Partly Cloudy
Humidity
75%
Feels like
47°F
Dew Point
42°F
2 AM
49°F
0%
5mph
SSE
Partly Cloudy
Humidity
77%
Feels like
46°F
Dew Point
41°F
3 AM
47°F
0%
5mph
SSE
Partly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
42°F
4 AM
46°F
0%
5mph
SSE
Partly Cloudy
Humidity
84%
Feels like
44°F
Dew Point
42°F
5 AM
45°F
0%
4mph
SSE
Cloudy
Humidity
89%
Feels like
43°F
Dew Point
42°F
6 AM
45°F
0%
4mph
SSE
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°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

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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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