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

27°F

-3°C

Humidity 59%
Wind Speed S 18 G 25 mph
Barometer 30.03 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 24 Feb 7:50 am CST
Extended Forecast for

Grantfork IL

  • Today

    Today: Mostly cloudy, with a high near 52. Breezy, with a south wind 14 to 23 mph, with gusts as high as 36 mph.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Calm wind becoming northwest around 5 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 35. Light east wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 49. East wind 6 to 10 mph becoming north in the afternoon.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 52. Breezy, with a south wind 14 to 23 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 32. South wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 51. Calm wind becoming northwest around 5 mph.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 35. Light east wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 49. East wind 6 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantfork IL
 38.83°N 89.68°W (Elev. 551 ft)
Last Update:
6:46 am CST Feb 24, 2026
Forecast Valid:
8am CST Feb 24, 2026-6pm CST Mar 2, 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