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

46°F

8°C

Humidity 87%
Wind Speed W 15 mph
Barometer 29.98 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 7 Mar 2:50 pm CST
Extended Forecast for

Staunton IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Northwest wind 6 to 11 mph becoming light west after midnight.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 64. Southwest wind 5 to 11 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. South wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 51. Breezy. Chance of precipitation is 90%.

    Low: 51 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then showers likely. High near 65. Breezy. Chance of precipitation is 100%.

    High: 65 °F

    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Northwest wind 6 to 11 mph becoming light west after midnight.
Sunday
Sunny, with a high near 64. Southwest wind 5 to 11 mph.
Sunday Night
Clear, with a low around 42. South wind around 8 mph.
Monday
Sunny, with a high near 75. South wind 7 to 15 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 58. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 51. Breezy. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before noon, then showers likely. High near 65. Breezy. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Staunton IL
 39.01°N 89.79°W (Elev. 627 ft)
Last Update:
2:11 pm CST Mar 7, 2026
Forecast Valid:
3pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
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