Weather forecast for 10 daysAmerican Falls, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNNE 29°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:48 am MDT
- Sunset: 6:44 pm MDT
- details ▼
On Sunday, October 18, thin clouds will pass through at times, but overall, it will remain bright.
A notable disparity in temperature is anticipated, reaching up to a maximum of a delightful 69.8°F and falling to a minimum of an icy 35.6°F.
The higher temperature of 69.8°F is more typical of September than October.
Sunrise will be at 7:48 am and sunset at 6:44 pm; the daylight will last for 10h and 56min.
A notable disparity in temperature is anticipated, reaching up to a maximum of a delightful 69.8°F and falling to a minimum of an icy 35.6°F.
The higher temperature of 69.8°F is more typical of September than October.
Sunrise will be at 7:48 am and sunset at 6:44 pm; the daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Maximum temperature: 70°C.
Coldest day: Friday 48°C.
Coldest day: Friday 48°C.
Chance of precipitation
Highest chance: Friday 74%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNNE 29°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:48 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 12mphESE 117°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:49 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphESE 118°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:51 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphE 95°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:52 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
PM Thunderstorms
- Precip. probability: 40%
- Precipitation: 0"
- Wind: 11mphSE 141°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 30°F
Rain
- Precip. probability: 74%
- Precipitation: 0.24"
- Wind: 17mphWSW 241°
- Humidity: 92%
- UV index: 2
- Sunrise: 7:54 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 34°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0.24"
- Wind: 9mphSSW 208°
- Humidity: 77%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 34°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSSE 164°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 32°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphSSW 203°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 52°F
- 32°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphSW 227°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:30 pm MDT
- details ▼
Over the course of the next ten days, expect shifting weather, and a mix of dull, sun-filled, storm-filled and damp weather is predicted.
With a 74% probability, rainfall is anticipated only on Friday. The precipitation will be light at 0.24".
There will be a considerable variation in temperature in the upcoming days. The temperature is expected to swing from 48.2°F up to 69.8°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 30.2°F to 46.4°F.
Sunday, Monday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days; Friday will be the coldest day, with the highest temperature of 48.2°F.
With a 74% probability, rainfall is anticipated only on Friday. The precipitation will be light at 0.24".
There will be a considerable variation in temperature in the upcoming days. The temperature is expected to swing from 48.2°F up to 69.8°F, while the variation in nighttime lows will be also notably wide, as the overnight lows will vary from 30.2°F to 46.4°F.
Sunday, Monday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days; Friday will be the coldest day, with the highest temperature of 48.2°F.
Updated: Oct 18, 2026 @ 07:39:03 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
Today, occasional cloudiness will be present, but there will still be plenty of sun.
Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in American Falls, sunrise will be at 7:48 am and sunset at 6:44 pm (MDT).
In American Falls, today, there will be 10h and 56min of daylight.
