Weather forecast for 10 daysMill Iron, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNE 20°
  • Humidity: 36%
  • UV index: 3
  • Sunrise: 7:18 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
Tomorrow, mostly clear skies and sunshine will create ideal daytime conditions.
Temperatures will show considerable variation, extending from a high of a comfortable 66.2°F to a low of a cold 37.4°F.
Tomorrow, expect a warmer trend, with a high of 66.2°F more common in September.
Sunrise will be at 7:18 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 48min.

10-day overview

Daily temperatures

Warmest day: Thursday 77°C.
Coldest day: Saturday 24.10. 52°C.

Chance of precipitation

Highest chance: Saturday 24.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWNW 292°
  • Humidity: 48%
  • UV index: 0
  • Sunrise: 7:16 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNE 20°
  • Humidity: 36%
  • UV index: 3
  • Sunrise: 7:18 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 39°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 21mphSE 142°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:19 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphWSW 246°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:20 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 45°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 11mphESE 102°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:22 am MDT
  • Sunset: 6:00 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphS 178°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:23 am MDT
  • Sunset: 5:59 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0.08"
  • Wind: 17mphSSW 211°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 5:57 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 19mphWNW 298°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 5:55 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphSE 134°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:27 am MDT
  • Sunset: 5:54 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 12mphSE 133°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 5:52 pm MDT
  • ▼
Looking ahead, conditions suggest a period of dull, sun-filled and fog-covered weather is predicted.
With a 20% probability, rainfall is anticipated only on Friday. Forecasted precipitation will be minimal at 0.08".
Temperature variation will be noticeable across the forecast period. Highs will range from 51.8°F to 77°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 33.8°F to 51.8°F.
Expect the warmest day on Thursday, with temperatures peaking at 77°F; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 51.8°F.
Updated: Oct 18, 2026 @ 03:19:19 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunny intervals will be long-lasting, with few disruptions.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature will be notably higher than the average maximum of 54.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Mill Iron, sunrise will be at 7:18 am and sunset at 6:05 pm (MDT).

In Mill Iron, tomorrow, there will be 10h and 48min of daylight.