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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

Fair

89°F

32°C

Humidity 80%
Wind Speed S 3 mph
Barometer 29.89 in (1011.0 mb)
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 25 Jul 8:53 pm CDT
Extended Forecast for

Mound City MO

Heat Advisory July 25, 09:06pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 25, 09:06pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 109. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then becoming clear toward daybreak, with a low around 78. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 95. Heat index values as high as 106. South southwest wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Calm wind becoming east around 5 mph after midnight.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 109. South wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, then becoming clear toward daybreak, with a low around 78. South wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 95. Heat index values as high as 106. South southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 75. Calm wind becoming east around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mound City MO
 40.14°N 95.23°W (Elev. 1001 ft)
Last Update:
9:02 pm CDT Jul 25, 2026
Forecast Valid:
9pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation