Weather Tomorrow

Weather Tomorrow for ZIP 83401

Idaho Falls, ID · View full Idaho Falls forecast

Frost AdvisoryUntil Sep 15, 12:00 PM

Frost Advisory issued September 14 at 1:06AM MDT until September 15 at 9:00AM MDT by NWS Pocatello ID

Take steps now to protect tender plants from the cold.

Tuesday, September 15, 2026

75°Low 38°FColdHot
Clear

Precip chance

0%

Wind

2-7 mph

Humidity

51%

Feels like

73–40°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

38°Temperature trend75°
TimeTempConditionRain %Wind
6 AM49°FMostly Clear
0%
5 mph SSE
7 AM47°FMostly Clear
0%
3 mph SSE
8 AM46°FMostly Clear
0%
3 mph SSE
9 AM44°FMostly Clear
0%
3 mph SE
10 AM41°FMostly Clear
0%
3 mph E
11 AM40°FMostly Clear
0%
2 mph ENE
12 PM39°FSunny
0%
3 mph ENE
1 PM38°FSunny
0%
3 mph ENE
2 PM40°FSunny
0%
3 mph ENE
3 PM46°FSunny
0%
3 mph N
4 PM55°FSunny
0%
3 mph N
5 PM59°FSunny
0%
3 mph N
6 PM64°FMostly Sunny
0%
5 mph W
7 PM67°FMostly Sunny
0%
5 mph W
8 PM70°FMostly Sunny
0%
5 mph W
9 PM73°FPartly Sunny
0%
7 mph WSW
10 PM73°FPartly Sunny
0%
7 mph WSW
11 PM74°FPartly Sunny
0%
7 mph WSW
12 AM75°FPartly Cloudy
0%
6 mph W
1 AM72°FPartly Cloudy
0%
6 mph W
2 AM67°FPartly Cloudy
0%
6 mph W
3 AM61°FMostly Clear
0%
3 mph E
4 AM58°FMostly Clear
0%
3 mph E
5 AM56°FMostly Clear
0%
3 mph E

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: 75°F

Low: 38°F

Wind: 2-7 mph

Rain: 0%

Big temperature swing (38°F to 75°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

7 PM – 8 PM99

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

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