Weather forecast for 10 daysEureka Airport, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

61°F
36°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 3mphENE 58°
Humidity: 55%
UV index: 2
Sunrise: 8:06 am MDT
Sunset: 6:44 pm MDT
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Today, in Eureka Airport, skies will stay clear and sunny.
The maximum temperature will be a breezy 60.8°F, while the minimum temperature will be a cold 35.6°F.
Sunrise was at 8:06 am and sunset will be at 6:44 pm; the daylight will last for 10h and 39min.

10-day overview

Daily temperatures

Warmest day: Thursday 66°C.
Coldest day: Tuesday 27.10. 43°C.

Chance of precipitation

Highest chance: Friday 53%.

Long-term weather forecast

Sunday
Oct 18, 2026

61°F
36°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 3mphENE 58°
Humidity: 55%
UV index: 2
Sunrise: 8:06 am MDT
Sunset: 6:44 pm MDT
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Monday
Oct 19, 2026

61°F
37°F

Mostly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 3mphNE 35°
Humidity: 57%
UV index: 2
Sunrise: 8:07 am MDT
Sunset: 6:42 pm MDT
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Tuesday
Oct 20, 2026

64°F
37°F

Mostly Sunny

Precip. probability: 5%
Precipitation: 0"
Wind: 4mphNNW 344°
Humidity: 59%
UV index: 2
Sunrise: 8:09 am MDT
Sunset: 6:40 pm MDT
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Wednesday
Oct 21, 2026

64°F
41°F

Mostly Sunny

Precip. probability: 17%
Precipitation: 0"
Wind: 4mphESE 107°
Humidity: 55%
UV index: 2
Sunrise: 8:10 am MDT
Sunset: 6:39 pm MDT
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Thursday
Oct 22, 2026

66°F
43°F

Partly Cloudy

Precip. probability: 24%
Precipitation: 0.04"
Wind: 5mphESE 123°
Humidity: 58%
UV index: 2
Sunrise: 8:12 am MDT
Sunset: 6:37 pm MDT
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Friday
Oct 23, 2026

50°F
32°F

Showers

Precip. probability: 53%
Precipitation: 0.08"
Wind: 6mphS 188°
Humidity: 77%
UV index: 2
Sunrise: 8:13 am MDT
Sunset: 6:35 pm MDT
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Saturday
Oct 24, 2026

48°F
30°F

Partly Cloudy

Precip. probability: 16%
Precipitation: 0.04"
Wind: 6mphSSE 149°
Humidity: 68%
UV index: 2
Sunrise: 8:15 am MDT
Sunset: 6:33 pm MDT
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Sunday
Oct 25, 2026

46°F
28°F

Rain / Snow

Precip. probability: 52%
Precipitation: 0.16"
Wind: 6mphESE 111°
Humidity: 74%
UV index: 2
Sunrise: 8:16 am MDT
Sunset: 6:31 pm MDT
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Monday
Oct 26, 2026

45°F
28°F

Partly Cloudy

Precip. probability: 23%
Precipitation: 0"
Wind: 5mphNE 47°
Humidity: 69%
UV index: 2
Sunrise: 8:18 am MDT
Sunset: 6:29 pm MDT
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Tuesday
Oct 27, 2026

43°F
30°F

PM Showers

Precip. probability: 30%
Precipitation: 0.08"
Wind: 6mphE 83°
Humidity: 76%
UV index: 2
Sunrise: 8:20 am MDT
Sunset: 6:28 pm MDT
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Mixed conditions are forecasted for the coming ten days, and a mix of cloud-filled, sunny, damp and snow-covered weather is predicted.
Rainfall is predicted for Thursday through Saturday and next Tuesday.
With a probability of 52%, snowfall is expected only on next Sunday. Expected precipitation will be light at 0.16".
Temperature variation will be noticeable over the next several days. Highs will range from 42.8°F to 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 28.4°F and 42.8°F.
The warmest day will be Thursday, with a maximum of 66.2°F; with the highest temperature of 42.8°F, next Tuesday will be the coldest day.

Updated: Oct 18, 2026 @ 15:37:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate