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.

Partly Cloudy

33°C

91°F

Humidity 52%
Wind Speed SW 15 G 28 km/h
Barometer 30.17 in
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index37°C (98°F)
Last update 23 Jun 12:50 pm CDT
Extended Forecast for

Wood River IL

Heat Advisory June 23, 09:00pm until June 26, 09:00pm
Extreme Heat Warning June 23, 02:46pm until June 23, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 02:46pm until June 23, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 36 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 25. South wind 5 to 14 km/h.

    Low: 25 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 35. Heat index values as high as 39. Southwest wind 5 to 11 km/h.

    High: 35 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. South wind 6 to 11 km/h becoming light and variable after midnight.

    Low: 24 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 35. Calm wind becoming southwest 5 to 10 km/h in the morning. Chance of precipitation is 20%.

    High: 35 °C

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °C

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 35.

    High: 35 °C

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 24.

    Low: 24 °C

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 36. South wind around 14 km/h.
Tonight
Mostly clear, with a low around 25. South wind 5 to 14 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 35. Heat index values as high as 39. Southwest wind 5 to 11 km/h.
Tuesday Night
Mostly cloudy, with a low around 24. South wind 6 to 11 km/h becoming light and variable after midnight.
Wednesday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 35. Calm wind becoming southwest 5 to 10 km/h in the morning. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 35.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 24.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wood River IL
 38.86°N 90.08°W (Elev. 436 m)
Last Update:
2:21 pm CDT Jun 23, 2025
Forecast Valid:
2pm CDT Jun 23, 2025-6pm CDT Jun 29, 2025
 
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