Weather forecast for 10 daysAlder, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 240°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:38 pm MDT
- details ▼
On Sunday, October 18, high-altitude clouds may scatter across the sky, but the sun will still shine.
Temperature changes will be remarkable, ranging from a high of a comfortable 64.4°F to a low of an icy 35.6°F.
The day's peak of 64.4°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:48 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 49min.
Temperature changes will be remarkable, ranging from a high of a comfortable 64.4°F to a low of an icy 35.6°F.
The day's peak of 64.4°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:48 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: Monday 68°C.
Coldest day: Saturday 24.10. 46°C.
Coldest day: Saturday 24.10. 46°C.
Chance of precipitation
Highest chance: Friday 80%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 182°
- Humidity: 59%
- UV index: 0
- Sunrise: 7:47 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 240°
- Humidity: 45%
- 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: 42%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphSW 223°
- 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: 23%
- Precipitation: 0"
- Wind: 9mphSSW 201°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0.12"
- Wind: 11mphSSW 197°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 28°F
Rain
- Precip. probability: 80%
- Precipitation: 0.39"
- Wind: 9mphW 268°
- Humidity: 83%
- UV index: 2
- Sunrise: 7:55 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 30°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphSSW 212°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 32°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 8mphSSW 193°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 48°F
- 30°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 8mphSSW 208°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:24 pm MDT
- details ▼
Models point to a combination of primarily overcast and occasionally clear and rain-filled weather is forecasted.
Rainfall is predicted for Thursday and Friday.
There will be a considerable variation in temperature in the upcoming days. The temperature is expected to swing from 46.4°F up to 68°F, while there will be also a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 28.4°F and 42.8°F.
Monday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 46.4°F, next Saturday will be the coldest day.
Rainfall is predicted for Thursday and Friday.
There will be a considerable variation in temperature in the upcoming days. The temperature is expected to swing from 46.4°F up to 68°F, while there will be also a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 28.4°F and 42.8°F.
Monday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 46.4°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 04:52:13 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, in Alder, moments of sunshine will break through the patchy clouds.
Tomorrow, the highest temperature in Alder will be 64.4°F, while the lowest temperature will be 35.6°F.
The highest temperature will be notably higher than the average maximum of 50.7°F in October. The lowest temperature tomorrow will be a few degrees higher than the average low temperature.
The highest temperature will be notably higher than the average maximum of 50.7°F in October. The lowest temperature tomorrow will be a few degrees higher than the average low temperature.
On Sunday, in Alder, sunrise will be at 7:48 am and sunset at 6:38 pm (MDT).
Tomorrow, the daylight will last for 10h and 49min.
