Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed E 3 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 21 Aug 9:53 pm CDT
Extended Forecast for

Mound City MO

  • Tonight

    Tonight: A slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. North wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers before 8am.  Partly sunny, then gradually becoming sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming light and variable.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. Calm wind becoming east southeast around 5 mph.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 66. East southeast wind 3 to 7 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. North wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 8am. Partly sunny, then gradually becoming sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming light and variable.
Sunday
Mostly cloudy, with a high near 80. Calm wind becoming east southeast around 5 mph.
Sunday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Mound City MO
 40.14°N 95.23°W (Elev. 1001 ft)
6:06 pm CDT Aug 21, 2026
9pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database