Plains, MT Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Plains, MT in one place.
A chance of rain. Mostly cloudy, with a high near 66. North wind around 2 mph. Chance of precipitation is 50%.
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: May 30, 2026 4:21 PM MDT.
The active forecast window currently covers Jun 1 to Jun 5, 2026 for Plains, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 5, 2026
- Latest sync
- May 30, 2026 4:21 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Plains
Friday looks like the warmest upcoming period in Plains at 80 degrees F.
Monday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday Night at about 0 to 6 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 4:21 PM 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
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
A slight chance of rain. Partly sunny, with a high near 70.
Mostly cloudy, with a low around 45.
Mostly sunny, with a high near 77.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 49.
A chance of rain. Partly sunny, with a high near 74.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Chance Light Rain
|
66°F |
2 mph
N
|
|
Monday Night
Jun 1
|
Chance Light Rain
|
44°F |
0 to 3 mph
NNE
|
|
Tuesday
Jun 2
|
Slight Chance Light Rain
|
70°F |
1 mph
WNW
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
45°F |
0 to 3 mph
NNW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
77°F |
2 mph
NNE
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms then Chance Light Rain
|
49°F |
0 to 3 mph
E
|
|
Thursday
Jun 4
|
Chance Light Rain
|
74°F |
0 to 5 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
47°F |
0 to 6 mph
SW
|
|
Friday
Jun 5
|
Mostly Sunny
|
80°F |
0 to 5 mph
WSW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
49°F |
1 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plains.