Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

84°F

29°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1015.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Aug 9:53 am CDT
Extended Forecast for

2 Miles ENE Saint Martins MO

Heat Advisory August 31, 12:00pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 100. Heat index values as high as 103. Southwest wind 6 to 10 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. Light south wind.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Heat index values as high as 104. Southwest wind 3 to 5 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind becoming south around 5 mph after midnight.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Southwest wind 3 to 6 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 103. Southwest wind 6 to 10 mph.
Tonight
Clear, with a low around 74. Light south wind.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 104. Southwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 102. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Saint Martins MO
 38.6°N 92.3°W (Elev. 630 ft)
10:26 am CDT Aug 31, 2026
10am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database