Weather Tomorrow

Weather Tomorrow in Idaho Falls, ID

Tuesday, September 8, 2026

73°Low 43°FColdHot
Clear

Precip chance

0%

Wind

5-10 mph

Humidity

44%

Feels like

71–45°F

Data source: National Weather Service (NOAA) · Updated 41 min ago

Tomorrow by Hour

43°Temperature trend73°
TimeTempConditionRain %Wind
6 AM52°FMostly Clear
0%
9 mph S
7 AM51°FMostly Clear
0%
9 mph S
8 AM50°FMostly Clear
0%
8 mph S
9 AM48°FClear
0%
8 mph S
10 AM45°FMostly Clear
0%
7 mph SSW
11 AM45°FMostly Clear
0%
7 mph SSW
12 PM43°FSunny
0%
6 mph SW
1 PM43°FSunny
0%
6 mph SSW
2 PM45°FSunny
0%
5 mph SSW
3 PM49°FSunny
0%
6 mph SW
4 PM54°FSunny
0%
8 mph SW
5 PM58°FSunny
0%
9 mph SW
6 PM61°FSunny
0%
10 mph WSW
7 PM64°FSunny
0%
10 mph WSW
8 PM69°FSunny
0%
10 mph WSW
9 PM71°FSunny
0%
10 mph WSW
10 PM72°FSunny
0%
10 mph WSW
11 PM73°FSunny
0%
10 mph WSW
12 AM72°FMostly Clear
0%
8 mph SW
1 AM71°FMostly Clear
0%
8 mph SW
2 AM67°FMostly Clear
0%
8 mph SW
3 AM61°FMostly Clear
0%
6 mph S
4 AM59°FMostly Clear
0%
6 mph S
5 AM56°FMostly Clear
0%
6 mph S

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Warm and comfortable — dress light

Clothing

  • T-shirt or light blouse
  • Shorts or light pants

Footwear

Comfortable shoes or sandals

Conditions

High: 73°F

Low: 43°F

Wind: 5-10 mph

Rain: 0%

Big temperature swing (43°F to 73°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

8 PM – 9 PM94

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

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More for Idaho Falls, ID

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Frequently Asked Questions

What is the weather forecast for tomorrow in Idaho Falls, ID?
Tomorrow in Idaho Falls: High of 73°F, Low of 43°F. Clear with 0% chance of precipitation. Wind 5-10 mph.
Will it rain tomorrow in Idaho Falls?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Idaho Falls?
With a high of 73°F and low of 43°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.