Fort Smith, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Smith, MT in one place.
Mostly sunny. High near 62, with temperatures falling to around 54 in the afternoon. Southwest wind 5 to 18 mph.
Local Weather Overview
This forecast page for Fort Smith, 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 6, 2026 11:07 PM MST.
The active forecast window currently covers Nov 7 to Nov 13, 2026 for Fort Smith, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 13, 2026
- Latest sync
- Nov 6, 2026 11:07 PM MST
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Smith
Sunday looks like the warmest upcoming period in Fort Smith at 65 degrees F.
Sunday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Sunday at about 9 to 29 mph SW.
The forecast from Nov 7 through Nov 13 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 11:07 PM MST
- 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
Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. South southwest wind 7 to 25 mph.
Partly sunny. High near 65, with temperatures falling to around 56 in the afternoon. Southwest wind 9 to 29 mph, with gusts as high as 40 mph.
Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. Southwest wind 2 to 9 mph.
Mostly sunny. High near 56, with temperatures falling to around 49 in the afternoon. East northeast wind 2 to 6 mph.
Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. South wind around 6 mph.
Mostly sunny. High near 59, with temperatures falling to around 53 in the afternoon. West wind 6 to 10 mph.
Mostly clear. Low around 42, with temperatures rising to around 44 overnight. Southwest wind 6 to 14 mph.
Sunny. High near 62, with temperatures falling to around 53 in the afternoon. Southwest wind 9 to 15 mph.
Mostly clear. Low around 43, with temperatures rising to around 45 overnight. Southwest wind 9 to 15 mph.
Mostly sunny. High near 65, with temperatures falling to around 57 in the afternoon. South southwest wind 8 to 15 mph.
Partly cloudy, with a low around 44. South southwest wind 8 to 14 mph.
Mostly sunny. High near 64, with temperatures falling to around 54 in the afternoon. Southwest wind 7 to 13 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
62°F |
5 to 18 mph
SW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
43°F |
7 to 25 mph
SSW
|
|
Sunday
Nov 8
|
Partly Sunny
|
65°F |
9 to 29 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
39°F |
2 to 9 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
56°F |
2 to 6 mph
ENE
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
41°F |
6 mph
S
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
59°F |
6 to 10 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
42°F |
6 to 14 mph
SW
|
|
Veterans Day
Nov 11
|
Sunny
|
62°F |
9 to 15 mph
SW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
43°F |
9 to 15 mph
SW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
65°F |
8 to 15 mph
SSW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
44°F |
8 to 14 mph
SSW
|
|
Friday
Nov 13
|
Mostly Sunny
|
64°F |
7 to 13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Smith.