National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

84°F

29°C

Humidity 37%
Wind Speed SW 13 mph
Barometer 29.72 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Mar 8:45 pm CDT
Extended Forecast for

Wood River IL

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely. Low around 40. Southwest wind 10 to 18 mph becoming northeast after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Chance
    T-storms then
    T-storms

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Calm wind becoming south 5 to 8 mph in the morning.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. South wind 6 to 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then showers likely. Low around 40. Southwest wind 10 to 18 mph becoming northeast after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 14 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 31. North wind 5 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 56. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 41. South wind 6 to 8 mph.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 64.
Tuesday
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 78.
Wednesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 ft)
Last Update:
7:51 pm CDT Mar 26, 2026
Forecast Valid:
9pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation