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City of Chinook, MTChinook, MT 7-Day Weather Forecast
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Chinook Weather Forecast
Chinook, MT Weather Forecast Date: 336 AM MDT Sun Sep 06 2026
Weather forecast for Chinook, MT
Today Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Today... Patchy fog early in the morning. Cloudy with chance of thunderstorms in the morning, then mostly cloudy with slight chance of thunderstorms early in the afternoon. Partly sunny late in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of thunderstorms 50%. |
| Labor Day Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Labor Day... Rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the upper 60s. North winds 5 to 10 mph shifting to the northwest 10 to 20 mph with gusts to around 35 mph in the afternoon. Chance of precipitation near 100%. |
Tue Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Tuesday... Windy. Rain in the morning, then rain likely in the afternoon. Highs in the mid 60s. West winds 20 to 30 mph with gusts to around 45 mph. Chance of rain 90%. |
Wed Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Wednesday... Mostly clear. Highs in the mid 70s. Lows in the upper 40s. |
| Thu Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Thursday... Mostly clear. Highs in the mid 70s. Lows in the upper 40s. |
| Thu Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Thursday... Mostly clear. Highs in the mid 70s. Lows in the upper 40s. |
Fri Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Friday... Cooler. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the mid 60s. Chance of showers 30%. |
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