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

Harrisonville Lawrence Smith Memorial Airport (KLRY)

Lat: 38.61°NLon: 94.34°WElev: 915ft.

Partly Cloudy

97°F

36°C

Humidity 42%
Wind Speed S 7 mph
Barometer 30.18 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 16 Sep 3:35 pm CDT
Extended Forecast for

6 Miles ENE Merwin MO

  • Tonight

    Tonight: Mostly clear, with a low around 72. South southeast wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Heat index values as high as 103. West southwest wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71. Calm wind.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. South wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 1am.  Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers.  Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 72. South southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 93. Heat index values as high as 103. West southwest wind 3 to 7 mph.
Thursday Night
Clear, with a low around 71. Calm wind.
Friday
Sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 72. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Merwin MO
 38.44°N 94.49°W (Elev. 886 ft)
3:36 pm CDT Sep 16, 2026
3pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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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