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.

Partly Cloudy

64°F

18°C

Humidity 78%
Wind Speed E 7 mph
Barometer 30.20 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Jul 7:50 am CDT
Extended Forecast for

Wood River IL

  • Today

    Today: Sunny, with a high near 82. East wind around 6 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. East wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers after noon. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 82. East wind around 6 mph.
Tonight
Mostly cloudy, with a low around 64. East wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers before 8am, then a chance of showers after noon. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 7 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 91.
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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:
5:11 am CDT Jul 23, 2026
Forecast Valid:
8am CDT Jul 23, 2026-6pm CDT Jul 29, 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