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.

Overcast

63°F

17°C

Humidity 83%
Wind Speed NE 7 mph
Barometer 30.16 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Oct 8:50 am CDT
Extended Forecast for

Staunton IL

  • Today

    Today: Cloudy early, then gradual clearing, with a high near 80. Southeast wind around 8 mph.

    High: 80 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southeast wind 7 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. South wind 8 to 11 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 62. South wind 7 to 10 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 81. Southwest wind 9 to 13 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Cloudy early, then gradual clearing, with a high near 80. Southeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 55. Southeast wind 7 to 9 mph.
Friday
Partly sunny, with a high near 82. South wind 8 to 11 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 62. South wind 7 to 10 mph.
Saturday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 81. Southwest wind 9 to 13 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 48. Chance of precipitation is 80%.
Sunday
A 20 percent chance of showers before 1pm. Sunny, with a high near 64.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 51.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 66.
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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:
9:01 am CDT Oct 16, 2025
Forecast Valid:
9am CDT Oct 16, 2025-6pm CDT Oct 22, 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