Big Sandy, MT Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Big Sandy, MT in one place.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Big Sandy, 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: Apr 19, 2026 6:45 AM MDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Big Sandy, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 6:45 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Sandy
Wednesday looks like the warmest upcoming period in Big Sandy at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Wednesday Night at about 20 to 24 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 6:45 AM MDT
- Coverage
- 4 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain before 3am, then rain and snow. Cloudy, with a low around 33.
Rain and snow likely. Mostly cloudy, with a high near 46. New snow accumulation of less than one inch possible.
A chance of rain and snow. Mostly cloudy, with a low around 28.
A chance of snow. Mostly cloudy, with a high near 44.
Mostly cloudy, with a low around 23.
A slight chance of snow. Mostly sunny, with a high near 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Partly Sunny then Chance Showers And Thunderstorms
|
75°F |
6 to 14 mph
SW
|
|
Wednesday Night
Apr 22
|
Rain then Rain And Snow
|
33°F |
20 to 24 mph
NNW
|
|
Thursday
Apr 23
|
Rain And Snow Likely
|
46°F |
24 mph
NNW
|
|
Thursday Night
Apr 23
|
Chance Rain And Snow
|
28°F |
9 to 18 mph
NW
|
|
Friday
Apr 24
|
Chance Light Snow
|
44°F |
9 to 15 mph
NW
|
|
Friday Night
Apr 24
|
Mostly Cloudy
|
23°F |
5 to 14 mph
NNW
|
|
Saturday
Apr 25
|
Slight Chance Light Snow
|
46°F |
5 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Sandy.