Idaho Falls, ID 14-Day Forecast
Idaho, United States 🇺🇸
74°
Sunny right now
Today: high 95°, low 67°
Updated just now
Idaho Falls weather for the next 14 days
Saturday, July 18
Sunny High 98° Low 60°Precipitation
1%
· 0.0 in
Max wind
10 mph
Humidity
45%
UV index
11 - Very High
Sunrise / sunset
06:03 AM / 09:04 PM
Sunday, July 19
Sunny High 101° Low 62°Precipitation
1%
· 0.0 in
Max wind
14 mph
Humidity
34%
UV index
11 - Very High
Sunrise / sunset
06:04 AM / 09:04 PM
Monday, July 20
Sunny High 103° Low 62°Precipitation
1%
· 0.0 in
Max wind
21 mph
Humidity
30%
UV index
11 - Very High
Sunrise / sunset
06:05 AM / 09:03 PM
Tuesday, July 21
Sunny High 98° Low 64°Precipitation
62%
· 0.41 in
Max wind
29 mph
Humidity
48%
UV index
9 - Very High
Sunrise / sunset
06:06 AM / 09:02 PM
Wednesday, July 22
Patchy rain nearby High 85° Low 64°Precipitation
72%
· 0.2 in
Max wind
6 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
06:07 AM / 09:01 PM
Thursday, July 23
Sunny High 92° Low 63°Precipitation
57%
· 0.22 in
Max wind
8 mph
Humidity
61%
UV index
8 - Very High
Sunrise / sunset
06:08 AM / 09:00 PM
Friday, July 24
Sunny High 98° Low 65°Precipitation
3%
· 0.0 in
Max wind
9 mph
Humidity
46%
UV index
9 - Very High
Sunrise / sunset
06:09 AM / 08:59 PM
Saturday, July 25
Sunny High 99° Low 62°Precipitation
3%
· 0.0 in
Max wind
12 mph
Humidity
39%
UV index
9 - Very High
Sunrise / sunset
06:10 AM / 08:58 PM
Sunday, July 26
Sunny High 99° Low 66°Precipitation
2%
· 0.0 in
Max wind
14 mph
Humidity
21%
UV index
9 - Very High
Sunrise / sunset
06:11 AM / 08:57 PM
Monday, July 27
Partly Cloudy High 94° Low 71°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
30%
UV index
8 - Very High
Sunrise / sunset
06:12 AM / 08:56 PM
Tuesday, July 28
Sunny High 94° Low 61°Precipitation
1%
· 0.0 in
Max wind
15 mph
Humidity
34%
UV index
8 - Very High
Sunrise / sunset
06:13 AM / 08:55 PM
Wednesday, July 29
Sunny High 92° Low 57°Precipitation
2%
· 0.0 in
Max wind
11 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
06:14 AM / 08:54 PM
Thursday, July 30
Sunny High 97° Low 57°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
22%
UV index
9 - Very High
Sunrise / sunset
06:15 AM / 08:53 PM
Idaho Falls 14-day outlook: the story
The warmest day of Idaho Falls's 14-day outlook is Monday, July 20 with a high near 103°F (39°C); the coolest night comes Thursday, July 30, dipping to 57°F (14°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 96°F (35°C), about 6°F (3°C) above the typical July high of 90°F (32°C).
Precipitation is most likely on Tuesday 21, Wednesday 22, Thursday 23; the wettest day looks like Tuesday, July 21 with about 0.41 in (10.5 mm) expected. For the weekend, expect Saturday 98°F (37°C) and sunny / Sunday 101°F (38°C) and sunny.
For typical conditions month by month, see the Idaho Falls climate & average temperatures guide.
Idaho Falls forecast questions
Will it rain in Idaho Falls this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Tuesday, July 21.
What will be the warmest day in Idaho Falls over the next 14 days?
Monday, July 20, with a forecast high near 103°F (39°C).
How accurate is a 14-day forecast for Idaho Falls?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Idaho Falls by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 31° | 15° | 9 | 1.2 in | 6.1 h/day | 77% |
| February | 36° | 19° | 9 | 1.2 in | 7.4 h/day | 70% |
| March | 47° | 26° | 9 | 1.5 in | 9.1 h/day | 62% |
| April | 57° | 33° | 9 | 1.3 in | 10.6 h/day | 51% |
| May | 67° | 42° | 10 | 1.9 in | 12.1 h/day | 49% |
| June | 80° | 52° | 5 | 0.8 in | 13.7 h/day | 39% |
| July | 90° | 60° | 1 | 0.2 in | 14.2 h/day | 29% |
| August | 86° | 58° | 3 | 0.5 in | 12.4 h/day | 34% |
| September | 76° | 49° | 5 | 1.2 in | 11.0 h/day | 42% |
| October | 59° | 37° | 7 | 1.4 in | 9.1 h/day | 56% |
| November | 43° | 25° | 8 | 1.2 in | 7.1 h/day | 67% |
| December | 32° | 17° | 9 | 1.4 in | 5.5 h/day | 74% |
14-day forecasts nearby