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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

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

Lat: 38.96°NLon: 94.37°WElev: 1004ft.

Fog/Mist

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1017.7 mb)
Dewpoint 31°F (-1°C)
Visibility 1.00 mi
Last update 1 Jan 9:53 am CST
Extended Forecast for

Grain Valley MO

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 40. East northeast wind 3 to 7 mph.

    High: 40 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Northeast wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43. Calm wind.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
Partly sunny, with a high near 42. Light and variable wind.
Tonight
Mostly cloudy, with a low around 28. Calm wind.
Friday
Cloudy, with a high near 40. East northeast wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 26. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 43. Calm wind.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grain Valley MO
 39.02°N 94.17°W (Elev. 892 ft)
Last Update:
9:31 am CST Jan 1, 2026
Forecast Valid:
10am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation