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

54°F

12°C

Humidity 28%
Wind Speed S 12 mph
Barometer 30.12 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Mar 4:45 pm CDT
Extended Forecast for

Donnellson IL

Wind Advisory March 12, 10:00pm until March 13, 11:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 56. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Southeast wind 6 to 11 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 66. Breezy. Chance of precipitation is 90%.

    High: 66 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 20. Blustery. Chance of precipitation is 80%.

    Low: 20 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.
Friday
Mostly sunny, with a high near 56. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 59. Southeast wind 6 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 50. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 66. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 20. Blustery. Chance of precipitation is 80%.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Donnellson IL
 39.04°N 89.47°W (Elev. 610 ft)
Last Update:
2:00 pm CDT Mar 12, 2026
Forecast Valid:
5pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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