Chestnut, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chestnut, MT in one place.
Sunny, with a high near 65. West northwest wind 2 to 7 mph.
Local Weather Overview
This forecast page for Chestnut, 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: Sep 14, 2026 9:17 PM MDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Chestnut, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 9:17 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chestnut
Thursday looks like the warmest upcoming period in Chestnut at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Wednesday Night at about 7 to 14 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:17 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- TFX
- 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, with a low around 43. East wind 7 to 14 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. South wind around 6 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. South southeast wind 5 to 8 mph.
A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 66. West southwest wind around 6 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 45.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 64.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 44.
Sunny, with a high near 67.
Mostly clear, with a low around 44.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Sunny
|
65°F |
2 to 7 mph
WNW
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
43°F |
7 to 14 mph
E
|
|
Thursday
Sep 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
72°F |
6 mph
S
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
49°F |
5 to 8 mph
SSE
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
66°F |
6 mph
WSW
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely
|
45°F |
3 to 7 mph
SW
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
64°F |
3 to 7 mph
WSW
|
|
Saturday Night
Sep 19
|
Slight Chance Rain Showers then Partly Cloudy
|
44°F |
6 mph
SSW
|
|
Sunday
Sep 20
|
Sunny
|
67°F |
6 mph
WSW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
44°F |
7 mph
SSE
|
|
Monday
Sep 21
|
Sunny
|
71°F |
7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chestnut.