Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

96°F

36°C

Humidity 43%
Wind Speed Vrbl 6 mph
Barometer 29.92 in (1011.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 3 Sep 1:53 pm CDT
Extended Forecast for

Saint Martins MO

Extreme Heat Warning September 3, 03:53pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 03:53pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 3 to 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Increasing clouds, with a low around 76. Calm wind.

    Low: 76 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 3 to 5 mph.
Friday Night
Increasing clouds, with a low around 76. Calm wind.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 70.
Labor Day
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 101.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Martins MO
 38.6°N 92.33°W (Elev. 709 ft)
2:51 pm CDT Sep 3, 2026
3pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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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