East Portal, MT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for East Portal, MT in one place.
Partly sunny. High near 44, with temperatures falling to around 42 in the afternoon. South wind around 5 mph.
Local Weather Overview
This forecast page for East Portal, 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 4:45 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for East Portal, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:45 PM MST
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in East Portal
Saturday looks like the warmest upcoming period in East Portal at 55 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 7 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 4:45 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 39. South wind around 5 mph.
Mostly sunny, with a high near 55. Southeast wind around 3 mph.
Rain after 4am. Partly cloudy, with a low around 41. Chance of precipitation is 80%.
Rain before 4pm. Mostly cloudy, with a high near 44. Chance of precipitation is 80%.
Mostly cloudy, with a low around 34.
A slight chance of rain after 4pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 40%.
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
A slight chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 20%.
A slight chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
44°F |
5 mph
S
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
39°F |
5 mph
S
|
|
Saturday
Nov 7
|
Mostly Sunny
|
55°F |
3 mph
SE
|
|
Saturday Night
Nov 7
|
Partly Cloudy then Light Rain
|
41°F |
3 to 14 mph
S
|
|
Sunday
Nov 8
|
Light Rain
|
44°F |
7 to 15 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
34°F |
2 to 7 mph
S
|
|
Monday
Nov 9
|
Mostly Cloudy then Slight Chance Light Rain
|
47°F |
2 mph
SE
|
|
Monday Night
Nov 9
|
Slight Chance Light Rain
|
38°F |
3 mph
S
|
|
Tuesday
Nov 10
|
Chance Light Rain
|
49°F |
6 mph
S
|
|
Tuesday Night
Nov 10
|
Chance Light Rain
|
41°F |
5 mph
S
|
|
Veterans Day
Nov 11
|
Slight Chance Light Rain
|
54°F |
3 mph
SE
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
42°F |
5 mph
SE
|
Nearby Forecasts
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