Chinook, MT Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chinook, MT in one place.
Patchy fog before noon. Sunny. High near 50, with temperatures falling to around 46 in the afternoon. West wind 6 to 10 mph.
Local Weather Overview
This forecast page for Chinook, 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: Oct 13, 2026 12:34 PM MDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Chinook, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:34 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chinook
Saturday looks like the warmest upcoming period in Chinook at 75 degrees F.
Tonight is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Saturday Night at about 7 to 22 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 13, 2026 12:34 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
Areas of fog after 9pm. Partly cloudy. Low around 24, with temperatures rising to around 27 overnight. Southwest wind 1 to 5 mph.
Areas of fog before noon. Mostly sunny, with a high near 57. South wind 1 to 10 mph, with gusts as high as 18 mph.
Mostly cloudy, with a low around 32. West wind around 7 mph.
Mostly sunny, with a high near 55. West northwest wind around 8 mph.
Mostly clear, with a low around 31. East southeast wind 3 to 10 mph.
Sunny, with a high near 69. South wind 3 to 8 mph.
Mostly clear, with a low around 42. Southwest wind 6 to 9 mph.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 40.
Sunny, with a high near 63.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 65.
A slight chance of rain after midnight. Mostly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Patchy Fog then Sunny
|
50°F |
6 to 10 mph
W
|
|
Tonight
Oct 13
|
Areas Of Fog
|
24°F |
1 to 5 mph
SW
|
|
Wednesday
Oct 14
|
Areas Of Fog then Mostly Sunny
|
57°F |
1 to 10 mph
S
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
32°F |
7 mph
W
|
|
Thursday
Oct 15
|
Mostly Sunny
|
55°F |
8 mph
WNW
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
31°F |
3 to 10 mph
ESE
|
|
Friday
Oct 16
|
Sunny
|
69°F |
3 to 8 mph
S
|
|
Friday Night
Oct 16
|
Mostly Clear
|
42°F |
6 to 9 mph
SW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
75°F |
8 to 21 mph
WSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
40°F |
7 to 22 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
3 to 8 mph
WSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
37°F |
7 mph
SE
|
|
Monday
Oct 19
|
Mostly Sunny
|
65°F |
3 to 7 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Cloudy then Slight Chance Light Rain
|
39°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chinook.