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Weather in Idaho Falls, United States 🇺🇸

Weather Forecast in Idaho Falls

Current Weather in Idaho Falls

Flood Watch issued July 21 at 1:57AM MDT until July 23 at 6:00AM MDT by NWS Riverton WY
Sunny
23°C
Feels like 24°C. Sunny.
🌬️ 4 km/h SSW
💧 61% Humidity
🧭 1020 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 2.4
🌡️ Dew Point: 10°C
🌅 Sunrise: 06:06 AM
🌇 Sunset: 09:02 PM
Map Overlays:

Right now Idaho Falls is 23°C with sunny, feeling like 24°C. Humidity sits at 61% and winds are near 4 km/h, and the UV index is 2 (low). Over the next few days, temperatures in Idaho Falls range from about 16°C to 37°C. ⚠️ Flood Watch issued July 21 at 1:57AM MDT until July 23 at 6:00AM MDT by NWS Riverton WY

Hourly Forecast for Idaho Falls

10:00
Sunny
29°
1%
11:00
Sunny
34°
0%
12:00
Sunny
36°
0%
13:00
Sunny
36°
0%
14:00
Sunny
37°
0%
15:00
Sunny
37°
0%
16:00
Sunny
37°
0%
17:00
Sunny
37°
0%
18:00
Sunny
36°
0%
19:00
Sunny
31°
0%
20:00
Sunny
28°
1%
21:00
Sunny
26°
1%
22:00
Moderate rain at times
22°
57%
23:00
Moderate rain at times
21°
49%
00:00
Partly Cloudy
22°
6%
01:00
Partly Cloudy
21°
7%
02:00
Patchy rain nearby
20°
14%
03:00
Patchy rain nearby
19°
27%
04:00
Patchy rain nearby
18°
30%
05:00
Clear
17°
11%
06:00
Clear
17°
13%
07:00
Light drizzle
18°
41%
08:00
Patchy rain nearby
20°
17%
09:00
Patchy rain nearby
22°
17%

14-Day Forecast for Idaho Falls

Tue, Jul 21
Sunny Sunny
37° / 18°
Wed, Jul 22
Patchy rain nearby Patchy rain nearby
32° / 17°
Thu, Jul 23
Sunny Sunny
35° / 16°
Fri, Jul 24
Sunny Sunny
39° / 18°
Sat, Jul 25
Sunny Sunny
39° / 18°
Sun, Jul 26
Sunny Sunny
38° / 16°
Mon, Jul 27
Sunny Sunny
39° / 18°
Tue, Jul 28
Sunny Sunny
38° / 17°
Wed, Jul 29
Sunny Sunny
37° / 15°
Thu, Jul 30
Sunny Sunny
38° / 16°
Fri, Jul 31
Sunny Sunny
40° / 17°
Sat, Aug 01
Sunny Sunny
40° / 18°
Sun, Aug 02
Sunny Sunny
32° / 16°
Mon, Aug 03
Sunny Sunny
30° /

Additional Forecasts for Idaho Falls

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 130.0 μg/m³
O₃ (Ozone) 67.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.8 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 6.3 μg/m³
PM10 (Coarse particles) 19.6 μg/m³

Historical Weather

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Best Time to Be Outside in Idaho Falls Today

The most comfortable window in Idaho Falls today looks like 21:00 to 21:00, when it is around 26°C. It should stay dry through that window. The next likely rain is around 22:00.

Frequently Asked Questions about Weather in Idaho Falls

What is the temperature in Idaho Falls right now?

The current temperature in Idaho Falls is 23°C (73°F), sunny (feels like 24°C).

What's the weather like in Idaho Falls right now?

Right now Idaho Falls has Sunny, humidity 61%, wind 4 km/h SSW.

What is today's forecast for Idaho Falls?

Today in Idaho Falls: high 37°C, low 18°C, sunny. Chance of rain: 57%.

What is the 7-day weather forecast for Idaho Falls?

Daily highs and lows for Idaho Falls:

  • 2026-07-21: 37°C / 18°C
  • 2026-07-22: 32°C / 17°C
  • 2026-07-23: 35°C / 16°C
  • 2026-07-24: 39°C / 18°C
  • 2026-07-25: 39°C / 18°C
  • 2026-07-26: 38°C / 16°C
  • 2026-07-27: 39°C / 18°C
Is it going to rain in Idaho Falls today?

There is a 57% chance of rain in Idaho Falls today. Total expected precipitation: 1.46 mm.

What is the wind speed in Idaho Falls right now?

Wind in Idaho Falls is currently 4 km/h (2 mph) from the SSW.

What is the UV index in Idaho Falls right now?

The UV index in Idaho Falls is currently 2.4 (low). Sun protection is recommended when the index is 3 or higher.

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