Grain Valley, MO Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grain Valley, MO in one place.
A slight chance of rain showers between 7am and 8am. Partly sunny, with a high near 87. East northeast wind 1 to 6 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Grain Valley, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 10, 2026 8:24 AM CDT.
The active forecast window currently covers Jul 11 to Jul 16, 2026 for Grain Valley, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 11 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:24 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grain Valley
Wednesday looks like the warmest upcoming period in Grain Valley at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Thursday at about 3 to 8 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 8:24 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 1am. Mostly clear, with a low around 68. East wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 1pm. Sunny, with a high near 88. East northeast wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Clear, with a low around 67.
Sunny, with a high near 89.
Mostly clear, with a low around 68.
Sunny, with a high near 91.
Mostly clear, with a low around 70.
Sunny, with a high near 93.
Mostly clear, with a low around 73.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 11
|
Slight Chance Rain Showers then Partly Sunny
|
87°F |
1 to 6 mph
ENE
|
|
Saturday Night
Jul 11
|
Mostly Clear then Chance Rain Showers
|
68°F |
2 to 6 mph
E
|
|
Sunday
Jul 12
|
Chance Rain Showers
|
88°F |
2 to 7 mph
ENE
|
|
Sunday Night
Jul 12
|
Clear
|
67°F |
1 to 7 mph
E
|
|
Monday
Jul 13
|
Sunny
|
89°F |
2 to 7 mph
ENE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
1 to 6 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
1 to 6 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
1 to 6 mph
SE
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
0 to 6 mph
ESE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
73°F |
2 to 6 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
3 to 8 mph
SSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
74°F |
5 to 8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grain Valley.