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

Hazardous Weather Conditions

Current conditions at

Marshall Memorial Municipal Airport (KMHL)

Lat: 39.1°NLon: 93.2°WElev: 779ft.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 12 Aug 3:35 pm CDT
Extended Forecast for

Boonville MO

Extreme Heat Warning August 12, 03:43pm until August 15, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 12, 03:43pm until August 15, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. Light and variable wind becoming south southeast 5 to 7 mph in the evening.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Heat index values as high as 109. South wind 6 to 8 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 96. Southwest wind 5 to 7 mph.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 76. Light and variable wind becoming south southeast 5 to 7 mph in the evening.
Thursday
Mostly sunny, with a high near 96. Heat index values as high as 109. South wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph.
Friday
Mostly sunny, with a high near 96. Southwest wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 89.
Monday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boonville MO
 38.98°N 92.75°W (Elev. 587 ft)
Last Update:
3:22 pm CDT Aug 12, 2026
Forecast Valid:
3pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation