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.

Light Rain

46°F

8°C

Humidity 93%
Wind Speed E 10 mph
Barometer 29.93 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 14 Feb 4:50 pm CST
Extended Forecast for

Wood River IL

  • This Afternoon

    This Afternoon: Rain. Steady temperature around 46. East wind around 7 mph. Chance of precipitation is 100%.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 44. East wind 7 to 9 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northeast wind 5 to 10 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. Steady temperature around 46. East wind around 7 mph. Chance of precipitation is 100%.
Tonight
Rain, mainly before 4am. Low around 44. East wind 7 to 9 mph. Chance of precipitation is 100%.
Sunday
A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 39. Light and variable wind.
Washington's Birthday
Mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 69.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 40.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 50.
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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:
4:46 pm CST Feb 14, 2026
Forecast Valid:
5pm CST Feb 14, 2026-6pm CST Feb 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