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

Hazardous Weather Conditions

Current conditions at

Lee's Summit, Lee's Summit Municipal Airport (KLXT)

Lat: 38.96°NLon: 94.37°WElev: 1004ft.

Partly Cloudy

32°C

89°F

Humidity 48%
Wind Speed S 11 G 31 km/h
Barometer 1012.8 mb (29.94 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 15 Jul 2:53 pm CDT
Extended Forecast for

Grain Valley MO

  • Tonight

    Tonight: Mostly clear, with a low around 24. South wind 8 to 10 km/h.

    Low: 24 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. Heat index values as high as 39. Southwest wind 10 to 18 km/h, with gusts as high as 34 km/h.

    High: 35 °C

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 21. South southwest wind 10 to 16 km/h becoming north northwest after midnight. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 cm possible.

    Low: 21 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 27. North northeast wind around 11 km/h. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 27 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 19. Northeast wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 19 °C

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 31 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °C

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 24. South wind 8 to 10 km/h.
Wednesday
Sunny, with a high near 35. Heat index values as high as 39. Southwest wind 10 to 18 km/h, with gusts as high as 34 km/h.
Wednesday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 21. South southwest wind 10 to 16 km/h becoming north northwest after midnight. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 cm possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 27. North northeast wind around 11 km/h. Chance of precipitation is 40%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 19. Northeast wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 23. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny and hot, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grain Valley MO
 39.02°N 94.17°W (Elev. 892 m)
Last Update:
2:27 pm CDT Jul 15, 2025
Forecast Valid:
3pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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