7-Day Forecast 39.02°N 94.2°W (Text-Only)
NWS Forecast for: Grain Valley MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Last Update: 2:41 am CDT Jun 18, 2025




Overnight: A chance of showers. The rain could be heavy at times. Cloudy, with a low around 66. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. West southwest wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 64. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth: Sunny, with a high near 89. Light west wind.

Thursday Night: Mostly clear, with a low around 69. South wind 3 to 6 mph.

Friday: Sunny, with a high near 92.

Friday Night: Clear, with a low around 76.

Saturday: Sunny, with a high near 94.

Saturday Night: Clear, with a low around 75.

Sunday: Sunny, with a high near 93.

Sunday Night: Clear, with a low around 74.

Monday: Sunny, with a high near 93.

Monday Night: Mostly clear, with a low around 73.

Tuesday: Sunny, with a high near 93.



Grain Valley MO
 39.02°N 94.2°W (Elev. 801 ft)

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