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

41°F

5°C

Humidity 53%
Wind Speed Vrbl 3 mph
Barometer 30.14 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 7:50 pm CST
Extended Forecast for

Wood River IL

  • Tonight

    Tonight: Increasing clouds, with a low around 36. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. West wind 8 to 15 mph, with gusts as high as 28 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 41 by 11am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 41 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Increasing clouds, with a high near 61. West wind 8 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 41 by 11am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 35.
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:
8:26 pm CST Jan 12, 2026
Forecast Valid:
8pm CST Jan 12, 2026-6pm CST Jan 19, 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