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Current Weather and Forecast in Idaho Falls, ID

Idaho, United States 🇺🇸 · Local time 21:20
67°
Overcast Feels like 60° · High 84° / Low 55°
Wind
6 mph
Humidity
24%
UV index
0 Low
Updated just now

Idaho Falls hourly forecast: next 24 hours

Today's high of 84°F (29°C) is about 25°F (14°C) above the typical October high of 59°F (15°C).

Now
10 PM
11 PM
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
7:31 AM
Sunrise
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
7 PM
7:00 PM
Sunset
8 PM

Full Idaho Falls hourly forecast →

Current conditions in detail

Feels like
60°
Heat index / wind chill adjusted
Wind
6 mph
SSE · gusts 17 mph
Humidity
24%
Dew point 29°
Pressure
29.93 in
What pressure readings mean
Visibility
6 mi
Precipitation
0.0 in
6% chance today

Idaho Falls weather tomorrow (Tuesday, October 6)

Tomorrow in Idaho Falls looks sunny, with a high of 82° and an overnight low of 53°. Rain is unlikely (0% chance). Winds top out near 10 mph, and the UV index reaches 5 (moderate).

High / Low
82° / 53°
Precipitation
0%
Sunrise / sunset
07:31 AM / 07:00 PM

See the full Idaho Falls 14-day forecast →

Idaho Falls 14-day forecast

Today
Overcast
High 84° Low 55°
Chance of precipitation: 6%
Tue, Oct 6 Tuesday
Sunny
High 82° Low 53°
Chance of precipitation: 0%
Wed, Oct 7 Wednesday
Sunny
High 80° Low 51°
Chance of precipitation: 0%
Thu, Oct 8 Thursday
Sunny
High 80° Low 50°
Chance of precipitation: 0%
Fri, Oct 9 Friday
Sunny
High 82° Low 50°
Chance of precipitation: 0%
Sat, Oct 10 Saturday
Overcast
High 75° Low 54°
Chance of precipitation: 6%
Sun, Oct 11 Sunday
Patchy rain nearby
High 64° Low 47°
Chance of precipitation: 77%
Mon, Oct 12 Monday
Overcast
High 49° Low 41°
Chance of precipitation: 90%
Tue, Oct 13 Tuesday
Overcast
High 52° Low 41°
Chance of precipitation: 60%
Wed, Oct 14 Wednesday
Sunny
High 57° Low 41°
Chance of precipitation: 7%
Thu, Oct 15 Thursday
Sunny
High 60° Low 41°
Chance of precipitation: 4%
Fri, Oct 16 Friday
Sunny
High 66° Low 48°
Chance of precipitation: 4%
Sat, Oct 17 Saturday
Overcast
High 67° Low 44°
Chance of precipitation: 5%
Sun, Oct 18 Sunday
Sunny
High 68° Low 46°
Chance of precipitation: 2%

About the weather in Idaho Falls

Idaho Falls has a semi-arid climate. July is the warmest month, with average highs of 90°, and January the coldest, when nights fall to around 15°. May brings the most rain, on about 10 days, while July is the sunniest, with 14.2 hours of sunshine a day. Over a whole year it rains on roughly 84 days.

Idaho Falls climate guide: monthly averages, seasons and the best time to visit

Common questions

When does it rain most in Idaho Falls?
May, at 1.9 inches (48 mm) over about 10 days. July is the driest month, at 5 mm (0.2 in).
What is the coldest month in Idaho Falls?
January, with highs of 31°F (-1°C) and lows near 15°F (-9°C). The coldest day in the 2015-2024 record fell to -21°F (-29°C).
What is the best time to visit Idaho Falls?
The best time to visit Idaho Falls is generally May to June and September to October, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 71°F (21°C), with rain on about 7 days a month. For the same question asked the other way round, see where else is warm in May.
Is Idaho Falls hot in summer?
July averages 90°F (32°C). Hot afternoons happen but extremes are not the norm.
What is the average temperature in Idaho Falls?
47°F (8°C) across all twelve months - about 59°F (15°C) by day and 36°F (2°C) after dark.
Is Idaho Falls humid?
Relative humidity averages 54% across the year, which reads as dry. The most comfortable stretch falls in the drier half of the year.
Which month is warmest in Idaho Falls?
July, averaging 90°F (32°C) by day and 60°F (16°C) overnight. The hottest single day in our 2015-2024 record for this location reached 103°F (39°C).
Is there snow in Idaho Falls?
Yes - about 30 days a year carry measurable snowfall, concentrated October through April.