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.

Fog

70°F

21°C

Humidity 98%
Wind Speed S 3 mph
Barometer 29.87 in
Dewpoint 69°F (21°C)
Visibility 0.25 mi
Last update 17 Jun 4:55 am CDT
Extended Forecast for

Staunton IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Gradual
    Clearing

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 9pm. Increasing clouds, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 1pm. High near 83. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 83 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 6 to 11 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind around 6 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms after 9pm. Increasing clouds, with a low around 71. South wind around 7 mph.
Wednesday
Showers and thunderstorms, mainly after 1pm. High near 83. Southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 6 to 11 mph. Chance of precipitation is 40%.
Juneteenth
Sunny, with a high near 83. West wind around 6 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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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:
4:52 am CDT Jun 17, 2025
Forecast Valid:
5am CDT Jun 17, 2025-6pm CDT Jun 23, 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