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

72°F

22°C

Humidity 47%
Wind Speed E 7 mph
Barometer 29.90 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Mar 10:45 am CDT
Extended Forecast for

Wood River IL

  • Today

    Today: Sunny, with a high near 88. Southeast wind around 7 mph becoming south in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 88. South wind 8 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 88 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 38 °F

    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 57. Northeast wind around 9 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 88. Southeast wind around 7 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 64. South wind around 8 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 88. South wind 8 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Breezy, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Monday
Mostly sunny, with a high near 57. Northeast wind around 9 mph.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 71.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 ft)
Last Update:
9:41 am CDT Mar 21, 2026
Forecast Valid:
10am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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