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

Hazardous Weather Conditions

Current conditions at

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

Fair

77°F

25°C

Humidity 54%
Wind Speed E 6 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 1:53 pm CDT
Extended Forecast for

Big Lake MO

Flood Watch June 20, 07:00pm until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. East southeast wind around 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly after midnight. Some of the storms could be severe and produce heavy rainfall. Low around 64. East wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Chance
    T-storms then
    Severe
    Thunderstorms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe and produce heavy rainfall. High near 79. East wind 11 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. North northeast wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 6 to 9 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. East southeast wind around 7 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms, mainly after midnight. Some of the storms could be severe and produce heavy rainfall. Low around 64. East wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe and produce heavy rainfall. High near 79. East wind 11 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Mostly cloudy, with a low around 59. North northeast wind 7 to 14 mph, with gusts as high as 22 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Lake MO
 40.08°N 95.35°W (Elev. 850 ft)
Last Update:
1:27 pm CDT Jun 20, 2026
Forecast Valid:
2pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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