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

Marshall Memorial Municipal Airport (KMHL)

Lat: 39.1°NLon: 93.2°WElev: 779ft.

Fog/Mist

79°F

26°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 79°F (26°C)
Visibility 5.00 mi
Heat Index84°F (29°C)
Last update 26 Jul 7:35 am CDT
Extended Forecast for

Armstrong 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: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind 5 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. North wind 5 to 7 mph becoming west in the morning.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 114. Light southwest wind increasing to 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 93. North wind 5 to 7 mph becoming west in the morning.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Armstrong MO
 39.27°N 92.69°W (Elev. 801 ft)
4:52 am CDT Jul 26, 2026
7am CDT Jul 26, 2026-6pm CDT Aug 1, 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