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

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 30.17 in (1020.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 9:53 am CDT
Extended Forecast for

Big Lake MO

  • Today

    Today: Scattered sprinkles between 1pm and 2pm, then isolated showers after 2pm.  Mostly cloudy, with a high near 78. South wind 3 to 5 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Isolated
    Showers

  • Tonight

    Tonight: Scattered rain before 2am, then a chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 64. Calm wind becoming south southeast around 5 mph after midnight.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Isolated
    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 80. East southeast wind 5 to 9 mph.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm  after midnight.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered sprinkles between 1pm and 2pm, then isolated showers after 2pm. Mostly cloudy, with a high near 78. South wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Scattered rain before 2am, then a chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 64. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 80. East southeast wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 84. Calm wind.
Tuesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 65.
Friday
Partly sunny, with a high near 83.
Friday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Lake MO
 40.08°N 95.35°W (Elev. 850 ft)
8:32 am CDT Aug 23, 2026
10am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database