Weather forecast for 10 daysAlder, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 237°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:38 pm MDT
- details ▼
On Sunday, October 18, sunlight and clouds will take turns dominating the sky.
Day and night temperatures will sharply contrast, oscillating between a breezy 64.4°F and an icy 35.6°F.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:48 am and sunset at 6:38 pm; the daylight will last for 10h and 49min.
Day and night temperatures will sharply contrast, oscillating between a breezy 64.4°F and an icy 35.6°F.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:48 am and sunset at 6:38 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: tomorrow 68°C.
Coldest day: Tuesday 27.10. 45°C.
Coldest day: Tuesday 27.10. 45°C.
Chance of precipitation
Highest chance: Friday 76%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 237°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 192°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphSW 217°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphSSW 206°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 11mphSSW 195°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 27°F
Rain
- Precip. probability: 76%
- Precipitation: 0.2"
- Wind: 9mphW 268°
- Humidity: 82%
- UV index: 1
- Sunrise: 7:55 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 30°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0.28"
- Wind: 9mphSW 214°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 30°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 8mphSSW 197°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 48°F
- 28°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphSSW 208°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphSW 218°
- Humidity: 70%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:23 pm MDT
- details ▼
Over the next ten days, a mix of primarily cloudy and occasionally bright and damp weather is forecasted.
Rainfall is anticipated on Friday and Saturday.
The temperature will vary considerably in the coming days. Maximum temperatures are forecasted between 44.6°F and 68°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 26.6°F and 41°F.
Monday will be the warmest day, with a maximum temperature of 68°F; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 44.6°F.
Rainfall is anticipated on Friday and Saturday.
The temperature will vary considerably in the coming days. Maximum temperatures are forecasted between 44.6°F and 68°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 26.6°F and 41°F.
Monday will be the warmest day, with a maximum temperature of 68°F; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 44.6°F.
Updated: Oct 18, 2026 @ 07:19:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, intermittent cloud cover is expected, allowing for some sunshine.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 35.6°F.
The highest temperature will be uncommonly higher than the average maximum of 50.7°F in October. The lowest temperature will be slightly warmer than the average low of 30.9°F.
The highest temperature will be uncommonly higher than the average maximum of 50.7°F in October. The lowest temperature will be slightly warmer than the average low of 30.9°F.
On Sunday, in Alder, sunrise will be at 7:48 am and sunset at 6:38 pm (MDT).
In Alder, the length of the day today will be 10h and 49min.





