National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 30.09 in (1018.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 7:51 am CDT
Extended Forecast for

Bel-Nor MO

  • Today

    Today: Increasing clouds, with a high near 82. Northwest wind 5 to 8 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. East wind 3 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southeast wind around 6 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 82. Northwest wind 5 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. East wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 85. Southeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bel-Nor MO
 38.71°N 90.31°W (Elev. 597 ft)
Last Update:
5:05 am CDT Aug 23, 2026
Forecast Valid:
8am CDT Aug 23, 2026-6pm CDT Aug 29, 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