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
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°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 6 AM☽ | 49°F | Mostly Clear | 0% | 5 mph SSE | ||
| 7 AM☽ | 47°F | Mostly Clear | 0% | 3 mph SSE | ||
| 8 AM☽ | 46°F | Mostly Clear | 0% | 3 mph SSE | ||
| 9 AM☽ | 44°F | Mostly Clear | 0% | 3 mph SE | ||
| 10 AM☽ | 41°F | Mostly Clear | 0% | 3 mph E | ||
| 11 AM☽ | 40°F | Mostly Clear | 0% | 2 mph ENE | ||
| 12 PM | 39°F | Sunny | 0% | 3 mph ENE | ||
| 1 PM | 38°F | Sunny | 0% | 3 mph ENE | ||
| 2 PM | 40°F | Sunny | 0% | 3 mph ENE | ||
| 3 PM | 46°F | Sunny | 0% | 3 mph N | ||
| 4 PM | 55°F | Sunny | 0% | 3 mph N | ||
| 5 PM | 59°F | Sunny | 0% | 3 mph N | ||
| 6 PM | 64°F | Mostly Sunny | 0% | 5 mph W | ||
| 7 PM | 67°F | Mostly Sunny | 0% | 5 mph W | ||
| 8 PM | 70°F | Mostly Sunny | 0% | 5 mph W | ||
| 9 PM | 73°F | Partly Sunny | 0% | 7 mph WSW | ||
| 10 PM | 73°F | Partly Sunny | 0% | 7 mph WSW | ||
| 11 PM | 74°F | Partly Sunny | 0% | 7 mph WSW | ||
| 12 AM☽ | 75°F | Partly Cloudy | 0% | 6 mph W | ||
| 1 AM☽ | 72°F | Partly Cloudy | 0% | 6 mph W | ||
| 2 AM☽ | 67°F | Partly Cloudy | 0% | 6 mph W | ||
| 3 AM☽ | 61°F | Mostly Clear | 0% | 3 mph E | ||
| 4 AM☽ | 58°F | Mostly Clear | 0% | 3 mph E | ||
| 5 AM☽ | 56°F | Mostly 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 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
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