National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

30°F

-1°C

Humidity 75%
Wind Speed NE 8 mph
Barometer 29.97 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Jan 6:50 pm CST
Extended Forecast for

Wood River IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Northeast wind 3 to 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. Northwest wind 3 to 8 mph.

    High: 40 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm after midnight.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Northeast wind 3 to 7 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 40. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 30. South wind around 7 mph.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 62.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 47.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 ft)
Last Update:
4:31 pm CST Jan 2, 2026
Forecast Valid:
7pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation