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

71°F

22°C

Humidity 78%
Wind Speed SW 10 G 17 mph
Barometer 29.73 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Mar 12:35 am CDT
Extended Forecast for

3 Miles S Hettick IL

  • Overnight

    Overnight: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 48. Southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 48 °F

    T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 4pm. Temperature falling to around 44 by 3pm. Breezy, with a west wind 10 to 15 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    High: 63 °F⇓

    Rain then
    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 52 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 48. Southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 4pm. Temperature falling to around 44 by 3pm. Breezy, with a west wind 10 to 15 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Increasing clouds, with a high near 52. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 45.
Sunday
Rain and possibly a thunderstorm. High near 61. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Hettick IL
 39.3°N 90.03°W (Elev. 571 ft)
Last Update:
12:11 am CDT Mar 11, 2026
Forecast Valid:
12am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation