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State Line Trail, MT Weather Forecast

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State Line Trail, MT Weather Forecast

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State Line Trail MT weather - Clear - 50°F
Clear
50°F
Updated 8:40 pm
Feels Like 37°F
Humidity 51%
Wind SE 5 mph
Barometer  30.19 in
Dew Point 33°F
State Line Trail MT weather - Clear - 10°C
Clear
10°C
Updated 8:40 pm
Feels Like 3°C
Humidity 51%
Wind SE 8 km/h
Barometer  102.2 kPa
Dew Point 1°C
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State Line Trail Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
State Line Trail, MT Weather - Tonight Mostly Clear State Line Trail, MT Weather - Wednesday Partly Cloudy State Line Trail, MT Weather - Wednesday Night Partly Cloudy State Line Trail, MT Weather - Thursday Chance Of Rain State Line Trail, MT Weather - Thursday Night Chance Of T-Storm State Line Trail, MT Weather - Friday Chance Of Rain State Line Trail, MT Weather - Friday Night Chance Of Rain State Line Trail, MT Weather - Saturday Partly Cloudy State Line Trail, MT Weather - Saturday Night Chance Of Rain State Line Trail, MT Weather - Sunday Rain And Snow State Line Trail, MT Weather - Sunday Night Chance Of Snow State Line Trail, MT Weather - Monday Mostly Cloudy
Mostly Clear Partly Cloudy Partly Cloudy Chance of Rain Chance of T-Storm Chance of Rain Chance of Rain Partly Cloudy Chance of Rain Rain and Snow Chance of Snow Mostly Cloudy
Lo: 36°FLo: 2°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 50°FHi: 10°C
 Lo: 30°FLo: -1°C Hi: 50°FHi: 10°C
 Lo: 30°FLo: -1°C Hi: 50°FHi: 10°C
 Lo: 26°FLo: -3°C Hi: 50°FHi: 10°C
POP: 20% POP: 90% POP: 70% POP: 30% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1224 PM MDT Tue Oct 20 2026 State Line Trail, MT Weather - WeatherWorld.com

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State Line Trail Forecast Discussion

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Issued: 1147 AM MDT Tue Oct 20 2026

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KEY MESSAGES:
  • Mild daytime temperatures through Thursday.
  • Patchy valley fog around sunrise each morning.
  • Significant weather change coming Friday into the weekend.

A broad ridge of high pressure will continue to bring mild daytime temperatures across the Northern Rockies through Thursday. Stable conditions under the ridge are promoting the development of daily valley inversions and trapped cold air, with patchy dense fog. Afternoon temperatures will continue to run 10 to 15 degrees a...