Weather forecast for 10 daysVandalia, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 61°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
On Sunday, October 18, sunshine will lead the day, with clouds making only brief appearances.
Temperatures are anticipated to range from a maximum of a breezy 60.8°F to a minimum of a wintry 39.2°F.
Anticipated temperatures are trending moderately higher than October's climate norm of 53.8°F.
Sunrise will be at 7:32 am and sunset at 6:13 pm; the daylight will last for 10h and 41min.

10-day overview

Daily temperatures

Warmest day: Thursday 70°C.
Coldest period: Monday - Tuesday 45°C.

Chance of precipitation

Highest chance: Friday 64%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 61°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSE 137°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphN 354°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:35 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphSE 134°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:36 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSE 129°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:38 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 37°F
Showers
Showers
  • Precip. probability: 64%
  • Precipitation: 0.24"
  • Wind: 17mphNNW 327°
  • Humidity: 72%
  • UV index: 1
  • Sunrise: 7:39 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 17mphWNW 290°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:41 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 46°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphENE 78°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 7:43 am MDT
  • Sunset: 6:00 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphENE 66°
  • Humidity: 82%
  • UV index: 2
  • Sunrise: 7:44 am MDT
  • Sunset: 5:58 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 12mphNE 55°
  • Humidity: 87%
  • UV index: 2
  • Sunrise: 7:46 am MDT
  • Sunset: 5:56 pm MDT
  • ▼
During the ten-day period, dry and sunny, cloudy and rainy weather is predicted.
With a probability of 64%, rainfall is anticipated only on Friday. The precipitation will be light at 0.24".
Temperature differences will be noticeable in the next ten days. Maximum temperatures are forecasted between 44.6°F and 69.8°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 28.4°F and 50°F.
Expect the warmest day on Thursday, with temperatures peaking at 69.8°F; with a maximum temperature of 44.6°F, next Monday and Tuesday will be the coldest days in Vandalia.
Updated: Oct 18, 2026 @ 11:43:38 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, bright conditions and mild breezes are expected.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 39.6°F.

On Sunday, in Vandalia, sunrise will be at 7:32 am and sunset at 6:13 pm (MDT).

In Vandalia, the length of the day today will be 10h and 41min.