What is the weather usually like on race day for the The Rut Mountain Runs?

Based on the last 10 years of weather data for Big Sky, MT, September race mornings typically start near 39°F and warm to around 59°F. On this calendar date it has rained in 4 of the last 10 years.

← Races in Big Sky, MT

The Rut Mountain Runs

Fri, Sep 10, 2027

In 303 days

Big Sky, MT

Big Sky Resort

41–56°F, cloudy

8% chance of rain, wind up to 20 mph

Typically 39–59°F · some rain risk

See last 10 years

On this date: rain 4 of the last 10 years

2025

42–62°F

rain

2024

44–62°F

rain

2023

38–61°F

dry

2022

40–68°F

dry

2021

42–57°F

rain

2020

37–59°F

dry

2019

33–43°F

rain

2018

33–62°F

dry

2017

46–70°F

dry

2016

38–63°F

dry

Best months to race in Montana →

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About this race

The Rut Mountain Runs are a 3-day celebration of Mountain Running in Big Sky, Montana, on Sept 10-12, 2027. Registration opens on Jan 12th at 8 AM Mountain Time