Blaine County, MT Weather Forecast
County weather hub
Sunny
Compare major city weather across Blaine County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny. High near 47, with temperatures falling to around 42 in the afternoon. West northwest wind around 10 mph.
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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 4:50 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Blaine County
Saturday looks like the warmest upcoming period in Blaine County at 74 degrees F.
Tonight is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Saturday Night at about 14 to 23 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 13, 2026 4:50 PM MDT
- Coverage
- 8 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
Patchy fog after midnight. Partly cloudy, with a low around 29. Southwest wind 3 to 8 mph.
Mostly sunny, with a high near 55. South southwest wind 3 to 9 mph.
Mostly cloudy, with a low around 34. West northwest wind around 10 mph.
Mostly sunny, with a high near 53. West northwest wind around 12 mph.
Mostly clear, with a low around 36. Southeast wind 5 to 15 mph, with gusts as high as 23 mph.
Sunny, with a high near 67. South wind 5 to 12 mph.
Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 39.
Sunny, with a high near 61.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 64.
A slight chance of rain after midnight. Mostly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
47°F |
10 mph
WNW
|
|
Tonight
Oct 13
|
Partly Cloudy then Patchy Fog
|
29°F |
3 to 8 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
55°F |
3 to 9 mph
SSW
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
34°F |
10 mph
WNW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
53°F |
12 mph
WNW
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
36°F |
5 to 15 mph
SE
|
|
Friday
Oct 16
|
Sunny
|
67°F |
5 to 12 mph
S
|
|
Friday Night
Oct 16
|
Mostly Clear
|
41°F |
5 to 10 mph
SW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
74°F |
5 to 20 mph
WSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
39°F |
14 to 23 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
61°F |
5 to 10 mph
WSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
38°F |
7 mph
SSE
|
|
Monday
Oct 19
|
Mostly Sunny
|
64°F |
3 to 8 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Cloudy then Slight Chance Light Rain
|
40°F |
7 mph
SSW
|
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.
