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

25°F

-4°C

Humidity 48%
Wind Speed NW 7 mph
Barometer 30.12 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 14 Jan 11:15 pm CST
Extended Forecast for

Wood River IL

  • Tonight

    Tonight: Clear, with a low around 18. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 18 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. South wind 6 to 9 mph becoming west after midnight.

    Low: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 20. West wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 18. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. South wind 6 to 9 mph becoming west after midnight.
Friday
Mostly cloudy, with a high near 44. West wind 10 to 16 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 20. West wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 42.
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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:
9:31 pm CST Jan 14, 2026
Forecast Valid:
11pm CST Jan 14, 2026-6pm CST Jan 21, 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