Saint Mary, MT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Mary, MT in one place.
Partly sunny, with a high near 44. Southwest wind 31 to 37 mph, with gusts as high as 62 mph.
Local Weather Overview
This forecast page for Saint Mary, 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 4:57 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Saint Mary, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:57 PM MST
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary
Veterans Day looks like the warmest upcoming period in Saint Mary at 54 degrees F.
Sunday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday Night at about 35 to 40 mph WSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 4:57 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- 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. West southwest wind 35 to 40 mph, with gusts as high as 69 mph.
Mostly sunny, with a high near 52. Southwest wind 15 to 35 mph, with gusts as high as 48 mph.
Rain likely after 5am. Partly cloudy, with a low around 39. Southwest wind 15 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 70%.
Rain likely before 5pm, then a slight chance of snow. Partly sunny, with a high near 49. West southwest wind 18 to 25 mph, with gusts as high as 54 mph.
A slight chance of snow before 11pm. Partly cloudy, with a low around 29. West southwest wind 14 to 32 mph, with gusts as high as 56 mph.
Partly sunny, with a high near 46.
Mostly cloudy, with a low around 34.
A chance of rain after 11am. Mostly sunny, with a high near 49.
A chance of rain. Mostly cloudy, with a low around 38.
A slight chance of rain before 11am. Mostly sunny, with a high near 54.
Mostly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
44°F |
31 to 37 mph
SW
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
36°F |
35 to 40 mph
WSW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
52°F |
15 to 35 mph
SW
|
|
Saturday Night
Nov 7
|
Partly Cloudy then Light Rain Likely
|
39°F |
15 to 28 mph
SW
|
|
Sunday
Nov 8
|
Light Rain Likely then Slight Chance Light Snow
|
49°F |
18 to 25 mph
WSW
|
|
Sunday Night
Nov 8
|
Slight Chance Light Snow then Partly Cloudy
|
29°F |
14 to 32 mph
WSW
|
|
Monday
Nov 9
|
Partly Sunny
|
46°F |
7 to 14 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
34°F |
7 to 25 mph
WSW
|
|
Tuesday
Nov 10
|
Chance Light Rain
|
49°F |
22 to 25 mph
WSW
|
|
Tuesday Night
Nov 10
|
Chance Light Rain
|
38°F |
22 to 29 mph
WSW
|
|
Veterans Day
Nov 11
|
Slight Chance Light Rain then Mostly Sunny
|
54°F |
14 to 22 mph
SW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
39°F |
14 to 18 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary.