Blaine County, MT Weather Forecast
County weather hub
Rain Showers Likely
Compare major city weather across Blaine County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain showers likely. Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. West northwest wind around 8 mph. Chance of precipitation is 60%.
County Weather Overview
This county weather page brings together forecast coverage for Blaine County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Blaine County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 2:51 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Blaine County
Friday looks like the warmest upcoming period in Blaine County at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Sunday at about 25 to 32 mph WNW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 2:51 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KGGW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 8am and 9am, then showers and thunderstorms likely. Mostly cloudy. High near 76, with temperatures falling to around 72 in the afternoon. Northwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of thunderstorms and a chance of rain before 7pm, then rain and a chance of thunderstorms. Cloudy. Low around 49, with temperatures rising to around 54 overnight. Northwest wind 12 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain. Cloudy, with a high near 59. West northwest wind 25 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.
Rain likely. Cloudy, with a low around 42. West northwest wind 29 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 60%.
A chance of rain. Mostly cloudy, with a high near 59. West wind around 28 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 42. West wind 15 to 23 mph, with gusts as high as 32 mph.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 63. West wind 15 to 22 mph, with gusts as high as 33 mph.
A slight chance of rain. Mostly cloudy, with a low around 44.
A slight chance of rain. Partly sunny, with a high near 67.
A chance of rain after midnight. Partly cloudy, with a low around 46.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 71.
A chance of rain. Partly cloudy, with a low around 47.
A slight chance of rain after noon. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 30
|
Rain Showers Likely
|
55°F |
8 mph
WNW
|
|
Saturday
May 30
|
Showers And Thunderstorms Likely
|
76°F |
8 to 13 mph
NW
|
|
Saturday Night
May 30
|
Chance T-storms then Rain
|
49°F |
12 to 23 mph
NW
|
|
Sunday
May 31
|
Light Rain
|
59°F |
25 to 32 mph
WNW
|
|
Sunday Night
May 31
|
Light Rain Likely
|
42°F |
29 to 32 mph
WNW
|
|
Monday
Jun 1
|
Chance Light Rain
|
59°F |
28 mph
W
|
|
Monday Night
Jun 1
|
Chance Rain Showers
|
42°F |
15 to 23 mph
W
|
|
Tuesday
Jun 2
|
Chance Rain Showers
|
63°F |
15 to 22 mph
W
|
|
Tuesday Night
Jun 2
|
Slight Chance Light Rain
|
44°F |
13 to 20 mph
WNW
|
|
Wednesday
Jun 3
|
Slight Chance Light Rain
|
67°F |
15 mph
WNW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy then Chance Light Rain
|
46°F |
5 to 10 mph
NE
|
|
Thursday
Jun 4
|
Chance Light Rain then Chance Showers And Thunderstorms
|
71°F |
6 to 13 mph
NNE
|
|
Thursday Night
Jun 4
|
Chance Light Rain
|
47°F |
7 to 12 mph
WSW
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Light Rain
|
78°F |
8 to 14 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Blaine County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Blaine County.
Largest mapped city population in this region: 1,230.
