Sourdough, MT Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sourdough, MT in one place.
A slight chance of rain showers between 10am and 11am, then a slight chance of showers and thunderstorms. Mostly sunny. High near 59, with temperatures falling to around 57 in the afternoon. West wind 24 to 35 mph, with gusts as high as 48 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Sourdough, 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: Jun 9, 2026 5:28 PM MDT.
The active forecast window currently covers Jun 10 to Jun 15, 2026 for Sourdough, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 5:28 PM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Sourdough
Friday looks like the warmest upcoming period in Sourdough at 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Wednesday at about 24 to 35 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 5:28 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 5am. Mostly cloudy, with a low around 42. West wind around 31 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 68. West wind 17 to 31 mph, with gusts as high as 44 mph.
Mostly clear, with a low around 43. West wind 3 to 16 mph.
Sunny, with a high near 74. West wind 3 to 15 mph.
A chance of showers and thunderstorms. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. North wind 5 to 16 mph. Chance of precipitation is 40%.
Rain showers likely before noon, then showers and thunderstorms likely. Mostly cloudy. High near 63, with temperatures falling to around 60 in the afternoon. North wind 7 to 12 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. North wind 3 to 13 mph. Chance of precipitation is 40%.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 61 in the afternoon. North northeast wind 3 to 7 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. Northwest wind 2 to 9 mph. Chance of precipitation is 20%.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. West northwest wind 2 to 8 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. Northwest wind 3 to 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
59°F |
24 to 35 mph
W
|
|
Wednesday Night
Jun 10
|
Chance Rain Showers
|
42°F |
31 mph
W
|
|
Thursday
Jun 11
|
Mostly Sunny
|
68°F |
17 to 31 mph
W
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
43°F |
3 to 16 mph
W
|
|
Friday
Jun 12
|
Sunny
|
74°F |
3 to 15 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
45°F |
5 to 16 mph
N
|
|
Saturday
Jun 13
|
Rain Showers Likely
|
63°F |
7 to 12 mph
N
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
41°F |
3 to 13 mph
N
|
|
Sunday
Jun 14
|
Chance Rain Showers
|
63°F |
3 to 7 mph
NNE
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
42°F |
2 to 9 mph
NW
|
|
Monday
Jun 15
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
69°F |
2 to 8 mph
WNW
|
|
Monday Night
Jun 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
45°F |
3 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sourdough.