Fort Smith, MT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Smith, MT in one place.
Partly sunny, with a high near 93. Northwest wind 8 to 12 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: Jul 26, 2026 2:11 PM MDT.
The active forecast window currently covers Jul 27 to Aug 1, 2026 for Fort Smith, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 27 to Aug 1, 2026
- Latest sync
- Jul 26, 2026 2:11 PM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Smith
Saturday looks like the warmest upcoming period in Fort Smith at 98 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 8 to 12 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 26, 2026 2:11 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
Mostly cloudy, with a low around 66. South southwest wind around 8 mph.
Sunny, with a high near 95. Northwest wind 5 to 8 mph.
Partly cloudy. Low around 66, with temperatures rising to around 68 overnight. South southwest wind around 9 mph.
A slight chance of showers and thunderstorms after noon. Mostly sunny. High near 93, with temperatures falling to around 91 in the afternoon. West northwest wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy. Low around 65, with temperatures rising to around 68 overnight. South southwest wind around 9 mph. Chance of precipitation is 20%.
Sunny, with a high near 94. West northwest wind 5 to 8 mph.
Mostly clear, with a low around 65. Southeast wind 6 to 9 mph.
Sunny, with a high near 95. Northwest wind 5 to 9 mph.
Mostly clear. Low around 66, with temperatures rising to around 69 overnight. Southeast wind 6 to 10 mph.
Sunny, with a high near 98. Southwest wind 5 to 9 mph.
Mostly clear. Low around 67, with temperatures rising to around 70 overnight. West southwest wind 8 to 12 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jul 27
|
Partly Sunny
|
93°F |
8 to 12 mph
NW
|
|
Monday Night
Jul 27
|
Mostly Cloudy
|
66°F |
8 mph
SSW
|
|
Tuesday
Jul 28
|
Sunny
|
95°F |
5 to 8 mph
NW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
66°F |
9 mph
SSW
|
|
Wednesday
Jul 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
5 to 10 mph
WNW
|
|
Wednesday Night
Jul 29
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
9 mph
SSW
|
|
Thursday
Jul 30
|
Sunny
|
94°F |
5 to 8 mph
WNW
|
|
Thursday Night
Jul 30
|
Mostly Clear
|
65°F |
6 to 9 mph
SE
|
|
Friday
Jul 31
|
Sunny
|
95°F |
5 to 9 mph
NW
|
|
Friday Night
Jul 31
|
Mostly Clear
|
66°F |
6 to 10 mph
SE
|
|
Saturday
Aug 1
|
Sunny
|
98°F |
5 to 9 mph
SW
|
|
Saturday Night
Aug 1
|
Mostly Clear
|
67°F |
8 to 12 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Smith.