Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisonville Lawrence Smith Memorial Airport (KLRY)

Lat: 38.61°NLon: 94.34°WElev: 915ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Sep 10:15 pm CDT
Extended Forecast for

3 Miles E Dayton MO

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind becoming south around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 100. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming light and variable  after midnight.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Sunday Night

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

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 1pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

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

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 100. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Dayton MO
 38.48°N 94.15°W (Elev. 810 ft)
10:12 pm CDT Sep 17, 2026
10pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database