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

Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Falls City, Brenner Field Airport (KFNB)

Lat: 40.08°NLon: 95.59°WElev: 984ft.

A Few Clouds

77°F

25°C

Humidity 88%
Wind Speed NE 5 mph
Barometer 30.15 in (1020.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Sep 5:53 pm CDT
Extended Forecast for

Fairfax MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. East wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 10am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 84. North northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 70. East wind 5 to 9 mph.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Heat index values as high as 99. South wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Mostly Clear
    then Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. East wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly before 10am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 84. North northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 70. East wind 5 to 9 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Heat index values as high as 99. South wind 9 to 15 mph, with gusts as high as 23 mph.
Friday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 72. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax MO
 40.32°N 95.38°W (Elev. 1001 ft)
Last Update:
3:36 pm CDT Sep 16, 2026
Forecast Valid:
6pm CDT Sep 16, 2026-6pm CDT Sep 23, 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