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.

Overcast

28°F

-2°C

Humidity 40%
Wind Speed S 7 mph
Barometer 30.01 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Jan 6:50 pm CST
Extended Forecast for

Mount Clare IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: A chance of flurries before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Blustery, with a south wind 6 to 11 mph becoming northwest 16 to 21 mph after midnight. Winds could gust as high as 37 mph.

    Low: 7 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 18. Wind chill values as low as -10. Blustery, with a west wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 18 °F

    Sunny and
    Blustery then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. West wind around 6 mph becoming light and variable.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. South wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Blustery, with a south wind 6 to 11 mph becoming northwest 16 to 21 mph after midnight. Winds could gust as high as 37 mph.
M.L.King Day
Sunny and cold, with a high near 18. Wind chill values as low as -10. Blustery, with a west wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly clear, with a low around 10. West wind around 6 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 32. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 25. South wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly cloudy, with a high near 34.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 21.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 3.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Clare IL
 39.1°N 89.84°W (Elev. 656 ft)
Last Update:
7:36 pm CST Jan 18, 2026
Forecast Valid:
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation