Plains, MT Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Plains, MT in one place.
Patchy fog between 7am and 10am. Mostly sunny, with a high near 53. Southwest wind around 3 mph.
Local Weather Overview
This forecast page for Plains, 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: Nov 5, 2026 11:33 PM MST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Plains, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 5, 2026 11:33 PM MST
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Plains
Saturday looks like the warmest upcoming period in Plains at 62 degrees F.
Sunday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Sunday at about 3 to 13 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 11:33 PM MST
- 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
Mostly cloudy, with a low around 36. South southwest wind 1 to 5 mph.
Mostly sunny, with a high near 62. South wind around 1 mph.
A chance of rain after 5am. Partly cloudy, with a low around 37. South wind 0 to 3 mph. Chance of precipitation is 30%.
A chance of rain before 5pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Areas of fog after 2am. Mostly cloudy, with a low around 31.
Areas of fog before 10am. Mostly cloudy, with a high near 52.
Patchy fog between midnight and 4am, then a slight chance of rain. Mostly cloudy, with a low around 35.
Patchy fog and a slight chance of rain. Partly sunny, with a high near 58.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 38.
Patchy fog between 7am and 9am. Partly sunny, with a high near 61.
Mostly cloudy, with a low around 38.
A slight chance of rain after 5pm. Partly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Patchy Fog then Mostly Sunny
|
53°F |
3 mph
SW
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
36°F |
1 to 5 mph
SSW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
62°F |
1 mph
S
|
|
Saturday Night
Nov 7
|
Partly Cloudy then Chance Light Rain
|
37°F |
0 to 3 mph
S
|
|
Sunday
Nov 8
|
Chance Light Rain
|
54°F |
3 to 13 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy then Areas Of Fog
|
31°F |
0 to 7 mph
WSW
|
|
Monday
Nov 9
|
Areas Of Fog then Mostly Cloudy
|
52°F |
1 mph
NNE
|
|
Monday Night
Nov 9
|
Mostly Cloudy then Slight Chance Light Rain
|
35°F |
2 mph
WSW
|
|
Tuesday
Nov 10
|
Patchy Fog
|
58°F |
3 mph
SSW
|
|
Tuesday Night
Nov 10
|
Slight Chance Light Rain then Mostly Cloudy
|
38°F |
2 mph
SSW
|
|
Veterans Day
Nov 11
|
Patchy Fog then Partly Sunny
|
61°F |
1 mph
SE
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
38°F |
1 mph
ESE
|
|
Thursday
Nov 12
|
Partly Sunny then Slight Chance Light Rain
|
61°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plains.