Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

87°F

31°C

Humidity 75%
Wind Speed S 7 mph
Barometer 29.93 in (1012.4 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 26 Jul 9:53 am CDT
Extended Forecast for

4 Miles NW De Kalb MO

Extreme Heat Warning until July 26, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 26, 10:00pm

    NOW until 10:00pm Sun

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 80. South wind around 11 mph, with gusts as high as 24 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Light south wind.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 91. East northeast wind 3 to 6 mph.

    High: 91 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 113. South wind 5 to 13 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 80. South wind around 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 75. Light south wind.
Tuesday
Partly sunny, with a high near 91. East northeast wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW De Kalb MO
 39.64°N 94.97°W (Elev. 801 ft)
9:22 am CDT Jul 26, 2026
10am CDT Jul 26, 2026-6pm CDT Aug 1, 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