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.

Fair

84°F

29°C

Humidity 79%
Wind Speed S 13 mph
Barometer 29.98 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 29 Jun 9:50 am CDT
Extended Forecast for

Litchfield Municipal Airport IL

Heat Advisory June 29, 10:25am until July 3, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 29, 10:25am until July 3, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Today

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 8 to 14 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 7 to 11 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. South wind 7 to 10 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Southwest wind 6 to 10 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 11 to 15 mph.
Tonight
Mostly clear, with a low around 74. South wind 8 to 14 mph.
Tuesday
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 7 to 11 mph.
Tuesday Night
Clear, with a low around 73. South wind 7 to 10 mph.
Wednesday
Sunny, with a high near 93. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 74.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Litchfield Municipal Airport IL
 39.16°N 89.67°W (Elev. 696 ft)
Last Update:
9:21 am CDT Jun 29, 2026
Forecast Valid:
10am CDT Jun 29, 2026-6pm CDT Jul 5, 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