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

57°F

14°C

Humidity 59%
Wind Speed W 7 mph
Barometer 30.11 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Nov 1:50 pm CST
Extended Forecast for

Staunton IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 55. West wind around 6 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 40. West wind 3 to 5 mph.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 55. Southeast wind 6 to 10 mph.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly before midnight. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 55. West wind around 6 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 40. West wind 3 to 5 mph.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 57. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.
Monday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 55. Southeast wind 6 to 10 mph.
Monday Night
Rain, mainly before midnight. Low around 47. Chance of precipitation is 90%.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 25.
Thanksgiving Day
Sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 43.
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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:
1:10 pm CST Nov 22, 2025
Forecast Valid:
2pm CST Nov 22, 2025-6pm CST Nov 28, 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