Chinook, MT Weather Forecast

Local 7-day forecast

66°

Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Chinook, MT in one place.

Tuesday, July 14, 2026

Wind: 8 mph SSE

Overnight

A chance of rain showers. Mostly cloudy, with a low around 66. South southeast wind around 8 mph. Chance of precipitation is 30%.

Local 7-day forecast

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: Jul 14, 2026 5:24 AM MDT.

The active forecast window currently covers Jul 14 to Jul 20, 2026 for Chinook, MT.

Page Snapshot

Page focus: city weather
Forecast window: Jul 14 to Jul 20, 2026
Latest sync: Jul 14, 2026 5:24 AM MDT
Forecast office: TFX
Source: NOAA / NWS

Next High

94°F

Tuesday

Next Low

66°F

Overnight

Rain Outlook

Periods mentioning precipitation

Windiest

8 to 15 mph

Friday

Daily Outlook

Today

Jul 14

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

94 °F

/ 66°F

Wind 7 to 13 mph

Wed

Jul 15

Chance Rain Showers

83 °F

/ 59°F

Wind 8 mph

Thu

Jul 16

Mostly Sunny

89 °F

/ 61°F

Wind 3 to 7 mph

Fri

Jul 17

Sunny

94 °F

/ 63°F

Wind 8 to 15 mph

Sat

Jul 18

Mostly Sunny

92 °F

/ 62°F

Wind 10 to 15 mph

Sun

Jul 19

Mostly Sunny

91 °F

/ 60°F

Wind 6 to 10 mph

Mon

Jul 20

Mostly Sunny

87 °F

Wind 5 to 12 mph

This Week in Chinook

Tuesday looks like the warmest upcoming period in Chinook at 94 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Friday at about 8 to 15 mph ESE.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated: Jul 14, 2026 5:24 AM MDT
Coverage: 7 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 source

Extended Forecast

Tuesday

Jul 14

94°F

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

7 to 13 mph E

A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 94. East wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Tuesday Night

Jul 14

62°F

Chance Showers And Thunderstorms

6 to 14 mph N

A chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely between 9pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

Jul 15

83°F

Chance Rain Showers

8 mph ENE

A chance of rain showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Mostly cloudy, with a high near 83. East northeast wind around 8 mph. Chance of precipitation is 40%.

Wednesday Night

Jul 15

59°F

Chance Showers And Thunderstorms then Mostly Cloudy

3 to 8 mph E

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. East wind 3 to 8 mph. Chance of precipitation is 40%.

Thursday

Jul 16

89°F

Mostly Sunny

3 to 7 mph WNW

Mostly sunny, with a high near 89. West northwest wind 3 to 7 mph.

Thursday Night

Jul 16

61°F

Partly Cloudy

8 mph E

Partly cloudy, with a low around 61. East wind around 8 mph.

Friday

Jul 17

94°F

Sunny

8 to 15 mph ESE

Sunny, with a high near 94. East southeast wind 8 to 15 mph, with gusts as high as 23 mph.

Friday Night

Jul 17

63°F

Chance Showers And Thunderstorms

9 to 15 mph ESE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Saturday

Jul 18

92°F

Mostly Sunny

10 to 15 mph SSW

Mostly sunny, with a high near 92.

Saturday Night

Jul 18

62°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

7 to 13 mph S

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.

Sunday

Jul 19

91°F

Mostly Sunny

6 to 10 mph W

Mostly sunny, with a high near 91.

Sunday Night

Jul 19

60°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

3 to 10 mph NNE

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

Monday

Jul 20

87°F

Mostly Sunny

5 to 12 mph WNW

Mostly sunny, with a high near 87.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Overnight Jul 14	Chance Rain Showers	66°F	8 mph SSE	A chance of rain showers. Mostly cloudy, with a low around 66. South southeast wind around 8 mph. Chance of precipitatio...
Tuesday Jul 14	Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms	94°F	7 to 13 mph E	A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high...
Tuesday Night Jul 14	Chance Showers And Thunderstorms	62°F	6 to 14 mph N	A chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely between 9pm and midnight, then a...
Wednesday Jul 15	Chance Rain Showers	83°F	8 mph ENE	A chance of rain showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a slight chanc...
Wednesday Night Jul 15	Chance Showers And Thunderstorms then Mostly Cloudy	59°F	3 to 8 mph E	A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. East wind 3 to 8 mph. Chance...
Thursday Jul 16	Mostly Sunny	89°F	3 to 7 mph WNW	Mostly sunny, with a high near 89. West northwest wind 3 to 7 mph.
Thursday Night Jul 16	Partly Cloudy	61°F	8 mph E	Partly cloudy, with a low around 61. East wind around 8 mph.
Friday Jul 17	Sunny	94°F	8 to 15 mph ESE	Sunny, with a high near 94. East southeast wind 8 to 15 mph, with gusts as high as 23 mph.
Friday Night Jul 17	Chance Showers And Thunderstorms	63°F	9 to 15 mph ESE	A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday Jul 18	Mostly Sunny	92°F	10 to 15 mph SSW	Mostly sunny, with a high near 92.
Saturday Night Jul 18	Slight Chance Showers And Thunderstorms then Partly Cloudy	62°F	7 to 13 mph S	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Sunday Jul 19	Mostly Sunny	91°F	6 to 10 mph W	Mostly sunny, with a high near 91.
Sunday Night Jul 19	Slight Chance Showers And Thunderstorms then Partly Cloudy	60°F	3 to 10 mph NNE	A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Monday Jul 20	Mostly Sunny	87°F	5 to 12 mph WNW	Mostly sunny, with a high near 87.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Chinook.

Fort Belknap Agency

Population 1,293

Region Links

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United States weather

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.