Potomac, MT Weather Forecast
Local 7-day forecast
Areas Of Fog then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Potomac, MT in one place.
Areas of fog before noon. Mostly cloudy, with a high near 48. Wind around 0 mph.
Local Weather Overview
This forecast page for Potomac, 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 7, 2026 11:57 AM MST.
The active forecast window currently covers Nov 9 to Nov 13, 2026 for Potomac, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 11:57 AM MST
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Potomac
Thursday looks like the warmest upcoming period in Potomac at 56 degrees F.
Monday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 3 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 11:57 AM MST
- 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
Patchy fog between 9pm and 11pm, then areas of fog and a slight chance of rain showers. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Areas of fog before noon. Partly sunny, with a high near 53.
Areas of fog after midnight. Mostly cloudy, with a low around 33.
Areas of fog before 9am. Partly sunny, with a high near 55.
Mostly cloudy, with a low around 32.
Partly sunny, with a high near 56.
Mostly cloudy, with a low around 32.
Partly sunny, with a high near 54.
A slight chance of rain between 11pm and 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 33.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Nov 9
|
Areas Of Fog then Mostly Cloudy
|
48°F |
0 mph
|
|
Monday Night
Nov 9
|
Areas Of Fog
|
32°F |
0 mph
|
|
Tuesday
Nov 10
|
Areas Of Fog then Partly Sunny
|
53°F |
0 to 3 mph
SW
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy then Areas Of Fog
|
33°F |
1 mph
WSW
|
|
Veterans Day
Nov 11
|
Areas Of Fog then Partly Sunny
|
55°F |
0 mph
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
32°F |
0 mph
|
|
Thursday
Nov 12
|
Partly Sunny
|
56°F |
0 mph
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
32°F |
0 mph
|
|
Friday
Nov 13
|
Partly Sunny
|
54°F |
0 mph
|
|
Friday Night
Nov 13
|
Slight Chance Light Rain then Slight Chance Rain And Snow
|
33°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potomac.