Weather forecast for 10 daysMountain Home, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSE 143°
- Humidity: 22%
- UV index: 4
- Sunrise: 8:00 am MDT
- Sunset: 6:55 pm MDT
- details ▼
Today, on Sunday, October 18, clear and sunny conditions are expected.
A substantial temperature fluctuation from a moderately hot 77°F at its peak to a frosty 44.6°F at its lowest point is forecasted.
Today, the anticipated high of 77°F is expected to reflect September's average high of 79.2°F.
Sunrise was at 8:00 am and sunset will be at 6:55 pm; the daylight will last for 10h and 55min.
A substantial temperature fluctuation from a moderately hot 77°F at its peak to a frosty 44.6°F at its lowest point is forecasted.
Today, the anticipated high of 77°F is expected to reflect September's average high of 79.2°F.
Sunrise was at 8:00 am and sunset will be at 6:55 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: tomorrow 81°C.
Coldest day: Friday 55°C.
Coldest day: Friday 55°C.
Chance of precipitation
Highest chance: Thursday 50%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSE 143°
- Humidity: 22%
- UV index: 4
- Sunrise: 8:00 am MDT
- Sunset: 6:55 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 19mphESE 116°
- Humidity: 28%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:53 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 14mphESE 118°
- Humidity: 40%
- UV index: 3
- Sunrise: 8:02 am MDT
- Sunset: 6:52 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 54°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 16mphESE 111°
- Humidity: 47%
- UV index: 3
- Sunrise: 8:04 am MDT
- Sunset: 6:50 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 46°F
PM Showers
- Precip. probability: 50%
- Precipitation: 0.31"
- Wind: 12mphSE 142°
- Humidity: 55%
- UV index: 3
- Sunrise: 8:05 am MDT
- Sunset: 6:48 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 34°F
AM Showers / Wind
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 23mphNW 306°
- Humidity: 66%
- UV index: 3
- Sunrise: 8:06 am MDT
- Sunset: 6:47 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphE 97°
- Humidity: 53%
- UV index: 3
- Sunrise: 8:07 am MDT
- Sunset: 6:45 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 37°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphESE 110°
- Humidity: 52%
- UV index: 3
- Sunrise: 8:09 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 36°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 12mphENE 68°
- Humidity: 56%
- UV index: 3
- Sunrise: 8:10 am MDT
- Sunset: 6:43 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 11mphNNW 334°
- Humidity: 55%
- UV index: 3
- Sunrise: 8:11 am MDT
- Sunset: 6:41 pm MDT
- details ▼
During the ten-day period, cloud-filled, sunny and wet weather is forecasted.
Rainfall is predicted for Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the coming days. Forecast highs will fluctuate between 55.4°F and 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 33.8°F up to 53.6°F.
Monday will be the warmest day, with a maximum temperature of 80.6°F; with the highest temperature of 55.4°F, Friday will be the coldest day.
Rainfall is predicted for Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the coming days. Forecast highs will fluctuate between 55.4°F and 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 33.8°F up to 53.6°F.
Monday will be the warmest day, with a maximum temperature of 80.6°F; with the highest temperature of 55.4°F, Friday will be the coldest day.
Updated: Oct 18, 2026 @ 17:26:58 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, conditions remain stable and sunny, with little cloud presence.
Today, the highest temperature will be 77°F, while the lowest temperature will be 44.6°F.
The highest temperature will be notably higher than the average maximum of 62.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature will be notably higher than the average maximum of 62.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Mountain Home, sunrise was at 8:00 am and sunset will be at 6:55 pm (MDT).
In Mountain Home, the length of the day today will be 10h and 55min.
