Granite County, MT Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Granite County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a high near 56. Northwest wind 0 to 6 mph.
County Weather Overview
This county weather page brings together forecast coverage for Granite County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Granite County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 6:20 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Granite County
Friday looks like the warmest upcoming period in Granite County at 67 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph WNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 6:20 AM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 39. North wind 0 to 6 mph.
Sunny, with a high near 65.
A chance of rain after midnight. Partly cloudy, with a low around 45.
Showers and thunderstorms likely. Mostly cloudy, with a high near 60. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Sunny, with a high near 67.
Mostly clear, with a low around 46.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
A chance of rain. Mostly cloudy, with a low around 41.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Cloudy
|
56°F |
0 to 6 mph
NW
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
39°F |
0 to 6 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
65°F |
0 to 7 mph
WNW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy then Chance Light Rain
|
45°F |
0 to 7 mph
ESE
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
60°F |
0 to 8 mph
NW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms then Partly Cloudy
|
42°F |
1 to 9 mph
W
|
|
Friday
Jun 5
|
Sunny
|
67°F |
1 to 9 mph
WSW
|
|
Friday Night
Jun 5
|
Mostly Clear
|
46°F |
0 to 8 mph
WSW
|
|
Saturday
Jun 6
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
66°F |
0 to 10 mph
WNW
|
|
Saturday Night
Jun 6
|
Chance Light Rain
|
41°F |
2 to 10 mph
WNW
|
|
Sunday
Jun 7
|
Chance Light Rain then Chance Showers And Thunderstorms
|
55°F |
1 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Granite County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Granite County.
