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

59°F

15°C

Humidity 31%
Wind Speed NW 16 mph
Barometer 29.93 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Mar 12:50 pm CDT
Extended Forecast for

3 Miles NNW Donnellson IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 57. Breezy, with a west wind 15 to 20 mph, with gusts as high as 29 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Northwest wind 5 to 7 mph becoming calm.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. East wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 66. Breezy, with a south wind 18 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.

    High: 66 °F

    Breezy.
    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 21. Breezy. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: A 40 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: Partly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 57. Breezy, with a west wind 15 to 20 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 33. Northwest wind 5 to 7 mph becoming calm.
Saturday
Mostly sunny, with a high near 58. East wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 50. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday
Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 66. Breezy, with a south wind 18 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 21. Breezy. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 11. Blustery.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Donnellson IL
 39.06°N 89.5°W (Elev. 600 ft)
Last Update:
11:41 am CDT Mar 13, 2026
Forecast Valid:
1pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation