National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

67°F

19°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 29.76 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Mar 10:15 pm CDT
Extended Forecast for

3 Miles W Bunker Hill IL

  • Tonight

    Tonight: Clear, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 86. South wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a north wind 13 to 22 mph, with gusts as high as 34 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Northeast wind 9 to 11 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northeast wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 86. South wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a north wind 13 to 22 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 55. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
A slight chance of rain and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 81.
Thursday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Bunker Hill IL
 39.06°N 90.01°W (Elev. 656 ft)
Last Update:
9:51 pm CDT Mar 21, 2026
Forecast Valid:
10pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation