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

61°F

16°C

Humidity 91%
Wind Speed NA
Barometer 30.09 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 6 Oct 2:35 am CDT
Extended Forecast for

Staunton IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 64 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Light northwest wind becoming north 6 to 11 mph in the morning. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. North wind 6 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 6 mph.
Monday
Isolated showers, then scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 8 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 74. Light northwest wind becoming north 6 to 11 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 49. North wind 6 to 9 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Staunton IL
 39.01°N 89.79°W (Elev. 627 ft)
Last Update:
10:41 pm CDT Oct 5, 2025
Forecast Valid:
2am CDT Oct 6, 2025-6pm CDT Oct 12, 2025
 
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