Weather forecast for 10 daysIona, ID
Weather forecast for the weekend
Saturday Oct 17, 2026
- 68°F
- 30°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 211°
- Humidity: 32%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:41 pm MDT
- details ▼
Today, in Iona, sunny skies and pleasant visibility are expected.
A significant variation in temperature is predicted, ranging from a high of a pleasant 68°F to a low of a freezing 30.2°F.
A forecast high of 68°F brings conditions more familiar to September's average than October's.
Sunrise was at 7:44 am and sunset will be at 6:41 pm; the daylight will last for 10h and 56min.
A significant variation in temperature is predicted, ranging from a high of a pleasant 68°F to a low of a freezing 30.2°F.
A forecast high of 68°F brings conditions more familiar to September's average than October's.
Sunrise was at 7:44 am and sunset will be at 6:41 pm; the daylight will last for 10h and 56min.
Sunday Oct 18, 2026
- 66°F
- 32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 255°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:45 am MDT
- Sunset: 6:39 pm MDT
- details ▼
On Sunday, October 18, sun and clouds will share the sky, creating a partly cloudy day.
Temperatures will see a substantial oscillation, reaching a high of a breezy 66.2°F and dropping to a low of a cold 32°F.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 73.6°F.
Sunrise will be at 7:45 am and sunset at 6:39 pm; tomorrow's daylight will last for 10h and 54min.
Temperatures will see a substantial oscillation, reaching a high of a breezy 66.2°F and dropping to a low of a cold 32°F.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 73.6°F.
Sunrise will be at 7:45 am and sunset at 6:39 pm; tomorrow's daylight will last for 10h and 54min.
10-day overview
Daily temperatures
Maximum temperature: 68°C.
Coldest period: Friday - Saturday 48°C.
Coldest period: Friday - Saturday 48°C.
Chance of precipitation
Highest chance: Friday 70%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 68°F
- 30°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 211°
- Humidity: 32%
- UV index: 3
- Sunrise: 7:44 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 255°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:45 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 199°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:47 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
AM Clouds / PM Sun
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSSE 151°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 6mphSSE 165°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.2"
- Wind: 7mphSSE 162°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 34°F
Rain
- Precip. probability: 70%
- Precipitation: 0.31"
- Wind: 13mphSW 218°
- Humidity: 96%
- UV index: 2
- Sunrise: 7:52 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 48°F
- 36°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphSSW 212°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphS 188°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 50°F
- 34°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphSW 233°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:27 pm MDT
- details ▼
Looking ahead, conditions suggest a period of cloud-filled, bright and damp weather is forecasted.
Rainfall is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 48.2°F and 68°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 30.2°F and 42.8°F.
The warmest days will be Saturday and Monday, with a maximum of 68°F; with a maximum temperature of 48.2°F, Friday and next Saturday will be the coldest days.
Rainfall is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 48.2°F and 68°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 30.2°F and 42.8°F.
The warmest days will be Saturday and Monday, with a maximum of 68°F; with a maximum temperature of 48.2°F, Friday and next Saturday will be the coldest days.
Updated: Oct 17, 2026 @ 21:05:03 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
Tomorrow, clouds will come and go, but expect bright periods in between.
Tomorrow, the highest temperature in Iona, Idaho, will be 66.2°F, while the lowest temperature will be 32°F.
The highest temperature will be uncommonly higher than the average maximum of 55.6°F in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 55.6°F in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.
On Sunday, in Iona, sunrise will be at 7:45 am and sunset at 6:39 pm (MDT).
Tomorrow, the daylight will last for 10h and 54min.





