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Idaho Falls, ID Weather Forecast
Idaho Falls, ID Weather Forecast Dated: 440 PM Mon Sep 28 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 28, 2026
Mid-Morning
51°F 11°C
Scattered Showers
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
62°F 17°C
Partly Cloudy
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds out of the SW at 9 mph 15 km/h.
Tuesday, September 29, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
63°F 17°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSW to the S at 7 mph 10 km/h.
Wednesday, September 30, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 18°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SSW to the SSE at 5 mph 9 km/h.
Thursday, October 1, 2026
Mid-Morning
56°F 13°C
Cloudy
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
65°F 18°C
Overcast
Mild temperatures up to 72°F 22°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds out of the WSW at 16 mph 25 km/h.
Friday, October 2, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
73°F 23°C
Overcast
Very warm with a high of 81°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the SSW to the SSE at 8 mph 13 km/h.
Saturday, October 3, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the SE at 3 mph 5 km/h.
Sunday, October 4, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
69°F 20°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, October 5, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
71°F 22°C
Sunny
Quite warm around 82°F 28°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the ENE to the SE at 7 mph 11 km/h.
Tuesday, October 6, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
69°F 21°C
Overcast
Mild temperatures up to 78°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Very warm with a high of 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure.
Thursday, October 8, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
71°F 22°C
Overcast
Warm and summery near 82°F 28°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Friday, October 9, 2026
Mid-Morning
60°F 15°C
Cloudy
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
72°F 22°C
Sunny
Balmy with temperatures reaching 82°F 28°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Saturday, October 10, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
71°F 22°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Sunday, October 11, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
70°F 21°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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