News Headlines
Current conditions at

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

Lat: 38.96°NLon: 94.37°WElev: 1004ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed NA
Barometer 29.94 in (1012.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 22 Jul 9:53 pm CDT
Extended Forecast for

Grain Valley MO

Heat Advisory July 22, 10:16pm until July 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 22, 10:16pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 104. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 75. South wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 92. Heat index values as high as 97. South southwest wind 6 to 9 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 74. South wind around 7 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 104. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 97. South southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 75.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 100.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grain Valley MO
 39.02°N 94.2°W (Elev. 801 ft)
7:12 pm CDT Jul 22, 2025
10pm CDT Jul 22, 2025-6pm CDT Jul 29, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database