


NWS Forecast for: Grain Valley MO Issued by: National Weather Service Kansas City/Pleasant Hill, MO Last Update: 3:43 am CDT Jun 25, 2025 | ![]() |
Today: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Tonight: Mostly clear, with a low around 75. South wind 6 to 9 mph. Thursday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 101. South southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. South southwest wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Friday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%. Saturday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 50%. Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%. Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%. Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%. Tuesday: Mostly sunny, with a high near 87. | |
Grain Valley MO 39.02°N 94.2°W (Elev. 801 ft) | |
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