Weather forecast for 10 daysHelena Valley West Central, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

64°F
34°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 6mphNE 47°
Humidity: 47%
UV index: 3
Sunrise: 7:50 am MDT
Sunset: 6:36 pm MDT
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On Sunday, October 18, sun-filled conditions are expected to persist.
Dramatic changes in temperature are forecasted, reaching a high of a breezy 64.4°F and falling to a low of a cold 33.8°F.
Sunrise was at 7:50 am and sunset will be at 6:36 pm; the daylight will last for 10h and 46min.

10-day overview

Daily temperatures

Warmest day: tomorrow 68°C.
Coldest day: Tuesday 27.10. 39°C.

Chance of precipitation

Highest chance: Friday 68%.

Long-term weather forecast

Sunday
Oct 18, 2026

64°F
34°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 6mphNE 47°
Humidity: 47%
UV index: 3
Sunrise: 7:50 am MDT
Sunset: 6:36 pm MDT
details ▼

Monday
Oct 19, 2026

68°F
36°F

Mostly Sunny

Precip. probability: 5%
Precipitation: 0"
Wind: 7mphSE 135°
Humidity: 53%
UV index: 3
Sunrise: 7:51 am MDT
Sunset: 6:34 pm MDT
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Tuesday
Oct 20, 2026

63°F
36°F

Partly Cloudy

Precip. probability: 2%
Precipitation: 0"
Wind: 7mphNNW 334°
Humidity: 54%
UV index: 3
Sunrise: 7:53 am MDT
Sunset: 6:32 pm MDT
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Wednesday
Oct 21, 2026

66°F
39°F

Mostly Sunny

Precip. probability: 5%
Precipitation: 0"
Wind: 7mphS 176°
Humidity: 61%
UV index: 3
Sunrise: 7:54 am MDT
Sunset: 6:30 pm MDT
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Thursday
Oct 22, 2026

64°F
43°F

Partly Cloudy

Precip. probability: 18%
Precipitation: 0.16"
Wind: 7mphSW 220°
Humidity: 64%
UV index: 3
Sunrise: 7:56 am MDT
Sunset: 6:29 pm MDT
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Friday
Oct 23, 2026

48°F
30°F

Showers

Precip. probability: 68%
Precipitation: 0.12"
Wind: 14mphWNW 296°
Humidity: 85%
UV index: 2
Sunrise: 7:57 am MDT
Sunset: 6:27 pm MDT
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Saturday
Oct 24, 2026

48°F
28°F

Partly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 8mphWSW 240°
Humidity: 66%
UV index: 3
Sunrise: 7:59 am MDT
Sunset: 6:25 pm MDT
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Sunday
Oct 25, 2026

50°F
28°F

Mostly Cloudy

Precip. probability: 13%
Precipitation: 0"
Wind: 9mphNW 310°
Humidity: 69%
UV index: 2
Sunrise: 8:00 am MDT
Sunset: 6:23 pm MDT
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Monday
Oct 26, 2026

43°F
25°F

Partly Cloudy

Precip. probability: 20%
Precipitation: 0"
Wind: 8mphNNW 334°
Humidity: 69%
UV index: 2
Sunrise: 8:01 am MDT
Sunset: 6:22 pm MDT
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Tuesday
Oct 27, 2026

39°F
27°F

AM Snow Showers

Precip. probability: 31%
Precipitation: 0.12"
Wind: 9mphNW 306°
Humidity: 83%
UV index: 2
Sunrise: 8:03 am MDT
Sunset: 6:20 pm MDT
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And a mix of cloud-filled, dry and sunny, showery and snow-covered weather is forecasted.
Rainfall is expected on Thursday and Friday.
With a probability of 31%, snowfall is anticipated only on next Tuesday. Predicted precipitation will be light at 0.16".
Temperature fluctuation will be noticeable across the forecast period. The maximum temperature will vary between 39.2°F and 68°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 24.8°F and 42.8°F.
Monday is expected to be the warmest, reaching up to 68°F; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 39.2°F.

Updated: Oct 18, 2026 @ 16:15:13 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate