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

19°F

-7°C

Humidity 75%
Wind Speed SE 5 mph
Barometer 30.32 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 23 Feb 11:35 pm CST
Extended Forecast for

Bunker Hill IL

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Light south wind increasing to 5 to 10 mph after midnight.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 52. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.

    High: 52 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Southwest wind 5 to 11 mph becoming northwest after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. East wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Light south wind increasing to 5 to 10 mph after midnight.
Tuesday
Increasing clouds, with a high near 52. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Southwest wind 5 to 11 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 50. Light and variable wind becoming northwest around 6 mph in the morning.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. East wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bunker Hill IL
 39.03°N 89.96°W (Elev. 643 ft)
Last Update:
11:06 pm CST Feb 23, 2026
Forecast Valid:
11pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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