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.

Mostly Cloudy

59°F

15°C

Humidity 94%
Wind Speed S 12 mph
Barometer 29.78 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 7:45 am CST
Extended Forecast for

3 Miles ESE Greenfield IL

  • Today

    Today: A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Cloudy, with a temperature falling to around 51 by 5pm. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%.

    High: 63 °F⇓

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light west.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 64. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South wind around 9 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, then rain and possibly a thunderstorm after noon. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 46. Breezy. Chance of precipitation is 90%.

    Low: 46 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.

    High: 60 °F

    Breezy. Rain
    then Chance
    Rain

Detailed Forecast

Today
A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Cloudy, with a temperature falling to around 51 by 5pm. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming light west.
Sunday
Sunny, with a high near 64. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 43. South wind around 9 mph.
Monday
Sunny, with a high near 76. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 56.
Tuesday
A chance of rain, then rain and possibly a thunderstorm after noon. High near 79. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 46. Breezy. Chance of precipitation is 90%.
Wednesday
Rain, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 64. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Greenfield IL
 39.33°N 90.14°W (Elev. 558 ft)
Last Update:
5:21 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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