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

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fog/Mist

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.25 in (1024.1 mb)
Dewpoint 65°F (18°C)
Visibility 5.00 mi
Last update 16 Sep 12:53 pm CDT
Extended Forecast for

Mercer MO

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 75. East wind 3 to 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 67. East wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 79. North northeast wind 3 to 5 mph.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Calm wind becoming east 5 to 7 mph in the evening.  Chance of precipitation is 20%.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 85. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 75. East wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 67. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. North northeast wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 85. South wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer MO
 40.51°N 93.53°W (Elev. 1056 ft)
11:01 am CDT Sep 16, 2026
1pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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Additional Resources

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