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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

63°F

17°C

Humidity 79%
Wind Speed S 9 mph
Barometer 29.66 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Mar 5:15 am CDT
Extended Forecast for

Wood River IL

  • Today

    Today: Increasing clouds, with a high near 87. South wind 7 to 15 mph becoming northwest in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 36 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Northeast wind around 10 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. East wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Southeast wind 5 to 8 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 87. South wind 7 to 15 mph becoming northwest in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 38. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 65. Southeast wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 53.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 58.
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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:
4:16 am CDT Mar 22, 2026
Forecast Valid:
5am CDT Mar 22, 2026-6pm CDT Mar 28, 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