Grantsville, MO Weather Forecast
Local 7-day forecast
Showers And Thunderstorms then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Grantsville, MO in one place.
Showers and thunderstorms before noon. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 83. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Local Weather Overview
This forecast page for Grantsville, 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: Sep 15, 2026 8:27 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grantsville, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 8:27 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grantsville
Thursday looks like the warmest upcoming period in Grantsville at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Saturday at about 9 to 13 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 8:27 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 slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southeast wind 2 to 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. South southwest wind 1 to 6 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Rain showers likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 57.
Partly sunny, with a high near 70.
Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms then Mostly Cloudy
|
83°F |
8 mph
E
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
2 to 6 mph
SE
|
|
Thursday
Sep 17
|
Slight Chance Showers And Thunderstorms
|
86°F |
1 to 6 mph
SSW
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
68°F |
0 to 6 mph
ESE
|
|
Friday
Sep 18
|
Mostly Sunny
|
86°F |
7 to 10 mph
SSE
|
|
Friday Night
Sep 18
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
6 to 9 mph
S
|
|
Saturday
Sep 19
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
81°F |
9 to 13 mph
SW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
63°F |
5 to 8 mph
NW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
72°F |
7 to 12 mph
NNE
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
NNE
|
|
Monday
Sep 21
|
Partly Sunny
|
70°F |
7 to 10 mph
NNE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
54°F |
3 to 8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grantsville.