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

35°F

2°C

Humidity 91%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 33°F (1°C)
Visibility 7.00 mi
Last update 7 Jan 1:15 am CST
Extended Forecast for

Wood River IL

  • Overnight

    Overnight: Clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 45. Southeast wind around 8 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain. High near 63. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    High: 63 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 49. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 33. Light and variable wind.
Wednesday
Sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 45. Southeast wind around 8 mph.
Thursday
Rain. High near 63. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 49. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 56.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 49.
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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:
12:56 am CST Jan 7, 2026
Forecast Valid:
1am CST Jan 7, 2026-6pm CST Jan 13, 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