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

58°F

14°C

Humidity 33%
Wind Speed N 3 mph
Barometer 29.94 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 10:35 pm CST
Extended Forecast for

3 Miles W Bunker Hill IL

  • Tonight

    Tonight: Mostly clear, with a low around 36. North wind 8 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain between 1pm and 5pm. Mostly sunny, with a high near 60. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 27. Southeast wind 6 to 14 mph becoming north in the evening.

    Low: 27 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 44. Northeast wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow before 3am, then rain, snow, and freezing rain likely. Low around 30. East wind around 11 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Wintry Mix

  • Monday

    Monday: A chance of rain, snow, and freezing rain before noon, then a slight chance of rain. Cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Wintry
    Mix then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 36. North wind 8 to 10 mph.
Saturday
A slight chance of rain between 1pm and 5pm. Mostly sunny, with a high near 60. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 27. Southeast wind 6 to 14 mph becoming north in the evening.
Sunday
A slight chance of rain after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 44. Northeast wind 10 to 13 mph. Chance of precipitation is 20%.
Sunday Night
Rain and snow before 3am, then rain, snow, and freezing rain likely. Low around 30. East wind around 11 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Monday
A chance of rain, snow, and freezing rain before noon, then a slight chance of rain. Cloudy, with a high near 42. Chance of precipitation is 40%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.
Tuesday
Rain and possibly a thunderstorm. High near 55. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 50.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Bunker Hill IL
 39.06°N 90.01°W (Elev. 656 ft)
Last Update:
10:31 pm CST Feb 27, 2026
Forecast Valid:
10pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation