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.

Mostly Cloudy

52°F

11°C

Humidity 47%
Wind Speed W 13 mph
Barometer 30.09 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 1 Nov 3:45 pm CDT
Extended Forecast for

3 Miles NNW Donnellson IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Mostly cloudy, with a high near 52. West wind around 7 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Light north wind.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 2am. Otherwise, clear, with a low around 34. South wind 3 to 5 mph.

    Low: 34 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 62. Southwest wind 6 to 8 mph.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 52. West wind around 7 mph.
Tonight
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Light north wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.
Sunday Night
Areas of frost after 2am. Otherwise, clear, with a low around 34. South wind 3 to 5 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 62. Southwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 50.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Donnellson IL
 39.06°N 89.5°W (Elev. 600 ft)
Last Update:
4:16 pm CDT Nov 1, 2025
Forecast Valid:
4pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation