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

37°F

3°C

Humidity 70%
Wind Speed NE 6 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Mar 4:15 am CDT
Extended Forecast for

Wood River IL

  • Today

    Today: Mostly sunny, with a high near 62. East wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain after 1pm. High near 68. Breezy, with a south wind 18 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

    High: 68 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Low around 21. Blustery, with a southwest wind 20 to 26 mph becoming northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 39 mph.

    High: 28 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. East wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 68. Breezy, with a south wind 18 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Low around 21. Blustery, with a southwest wind 20 to 26 mph becoming northwest after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 39 mph.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 ft)
Last Update:
1:26 am CDT Mar 14, 2026
Forecast Valid:
4am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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