Fortine, MT Weather Forecast
Local 7-day forecast
Patchy Fog then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Fortine, MT in one place.
Patchy fog between 7am and 9am, then a chance of rain showers. Cloudy, with a high near 60. South southeast wind around 2 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Fortine, MT 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 14, 2026 9:19 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Fortine, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 9:19 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Fortine
Thursday looks like the warmest upcoming period in Fortine at 73 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Tuesday at about 2 mph SSE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:19 PM MDT
- Coverage
- 7 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
A chance of rain showers before midnight. Mostly cloudy, with a low around 42. North northwest wind around 2 mph. Chance of precipitation is 40%.
Sunny, with a high near 67. North northwest wind around 2 mph.
Mostly clear, with a low around 43. North northeast wind around 1 mph.
Sunny, with a high near 73.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 45.
Sunny, with a high near 72.
Mostly clear, with a low around 45.
Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Patchy Fog then Chance Rain Showers
|
60°F |
2 mph
SSE
|
|
Tuesday Night
Sep 15
|
Chance Rain Showers then Mostly Cloudy
|
42°F |
2 mph
NNW
|
|
Wednesday
Sep 16
|
Sunny
|
67°F |
2 mph
NNW
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
43°F |
1 mph
NNE
|
|
Thursday
Sep 17
|
Sunny
|
73°F |
1 mph
NW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
46°F |
0 mph
|
|
Friday
Sep 18
|
Mostly Sunny
|
72°F |
1 mph
WNW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
46°F |
1 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
72°F |
2 mph
S
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
45°F |
1 mph
SSW
|
|
Sunday
Sep 20
|
Sunny
|
72°F |
1 mph
SSW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
45°F |
2 mph
SSE
|
|
Monday
Sep 21
|
Mostly Sunny
|
73°F |
1 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fortine.