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

72°F

22°C

Humidity 61%
Wind Speed NE 6 mph
Barometer 30.29 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 1 Aug 7:50 pm CDT
Extended Forecast for

Grantfork IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northeast wind around 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Northeast wind 7 to 11 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Northeast wind around 6 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Northeast wind around 8 mph.
Saturday
Sunny, with a high near 79. Northeast wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 79. Northeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantfork IL
 38.83°N 89.68°W (Elev. 551 ft)
Last Update:
5:41 pm CDT Aug 1, 2025
Forecast Valid:
8pm CDT Aug 1, 2025-6pm CDT Aug 8, 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