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.

Partly Cloudy

91°F

33°C

Humidity 56%
Wind Speed SW 15 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jun 1:50 pm CDT
Extended Forecast for

Rosewood Heights IL

Extreme Heat Warning June 21, 02:51pm until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 02:51pm until June 24, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 101. South wind 8 to 13 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind 6 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. South wind 6 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 105. South wind around 15 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 75. South wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 101. South wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 6 to 10 mph.
Monday
Sunny, with a high near 94. South wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rosewood Heights IL
 38.88°N 90.05°W (Elev. 525 ft)
Last Update:
2:21 pm CDT Jun 21, 2025
Forecast Valid:
2pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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