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

63°F

17°C

Humidity 32%
Wind Speed NW 8 mph
Barometer 30.16 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Apr 6:50 pm CDT
Extended Forecast for

Bunker Hill IL

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. Northeast wind 5 to 8 mph becoming south in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind around 9 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Southwest wind 8 to 11 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy. Chance of precipitation is 80%.

    Low: 60 °F

    Chance
    T-storms and
    Breezy then
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 65. Northeast wind 5 to 8 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 47. Southeast wind around 9 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 8 to 11 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bunker Hill IL
 39.03°N 89.96°W (Elev. 643 ft)
Last Update:
4:46 pm CDT Apr 19, 2026
Forecast Valid:
7pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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