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Decker, MT Weather Forecast

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Decker, MT Weather Forecast

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Decker MT weather - Clear - 45°F
Clear
45°F
Updated 9:00 am
Feels Like 61°F
Humidity 57%
Wind N 0 mph
Barometer  30.18 in
Dew Point 31°F
Decker MT weather - Clear - 7°C
Clear
7°C
Updated 9:00 am
Feels Like 16°C
Humidity 57%
Wind N 0 km/h
Barometer  102.2 kPa
Dew Point -1°C
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Decker Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT COLUMBUS DAY MONDAY NIGHT
Decker, MT Weather - Today Sunny Decker, MT Weather - Tonight Partly Cloudy Decker, MT Weather - Thursday Sunny Decker, MT Weather - Thursday Night Partly Cloudy Decker, MT Weather - Friday Mostly Sunny Decker, MT Weather - Friday Night Mostly Clear Decker, MT Weather - Saturday Mostly Sunny Decker, MT Weather - Saturday Night Rain Showers Decker, MT Weather - Sunday Rain/Snow Showers Decker, MT Weather - Sunday Night Rain/Snow Showers Decker, MT Weather - Columbus Day Rain/Snow Showers Decker, MT Weather - Monday Night Snow Showers
Sunny Partly Cloudy Sunny Partly Cloudy Mostly Sunny Mostly Clear Mostly Sunny Rain Showers Rain/Snow Showers Rain/Snow Showers Rain/Snow Showers Snow Showers
Hi: 79°FHi: 26°C
 Lo: 40°FLo: 4°C Hi: 79°FHi: 26°C
 Lo: 45°FLo: 7°C Hi: 89°FHi: 32°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 39°FLo: 4°C Hi: 49°FHi: 9°C
 Lo: 31°FLo: -1°C Hi: 45°FHi: 7°C
 Lo: 30°FLo: -1°C
POP: 60% POP: 70% POP: 80% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Wed Oct 07 2026 Decker, MT Weather - WeatherWorld.com

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Issued: 1248 AM MDT Wed Oct 7 2026

Key Messages

  • Very warm, dry and occasionally breezy through Friday. Fire concerns will remain elevated, and may be critical on Friday with increased winds and lower humidities.
  • Cold front arrives early Saturday, then much cooler Saturday night through Tuesday; this will be the coolest air mass yet of the fall.
  • Strong weather system arrives this weekend. Increasing confidence for mountains/foothills snow Saturday night to Monday, with rain and wet snow at lower elevations. Greatest potential for s...