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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

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

Lat: 38.96°NLon: 94.37°WElev: 1004ft.

Fair

34°F

1°C

Humidity 59%
Wind Speed SW 12 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Jan 8:53 am CST
Extended Forecast for

Grain Valley MO

  • Today

    Today: Sunny, with a high near 56. Southwest wind 6 to 8 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southwest wind 6 to 9 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 32 mph.

    High: 42 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 56. Southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 36. South southwest wind 6 to 9 mph.
Tuesday
Increasing clouds, with a high near 61. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 42. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 12.
Sunday
Sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Grain Valley MO
 39.02°N 94.17°W (Elev. 892 ft)
Last Update:
5:27 am CST Jan 12, 2026
Forecast Valid:
9am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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