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Blackfoot, MT Weather Forecast
Blackfoot, MT Weather Forecast Dated: 427 PM Sat Sep 12 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
48°F 9°C
Scattered Showers
Brisk around 51°F 11°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the ESE to the ENE at 8 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
55°F 13°C
Scattered Showers
Early-Evening
47°F 9°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the ESE to the WSW at 13 mph 20 km/h.
Monday, September 14, 2026
Mid-Morning
45°F 7°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
46°F 8°C
Sunny
Chilly near 53°F 12°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds moving from the W to the WSW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
44°F 6°C
Overcast
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
49°F 10°C
Overcast
Crisp with a high near 52°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds picking up from SE at 4 mph 7 km/h to E at 12 mph 19 km/h.
Wednesday, September 16, 2026
Mid-Morning
41°F 5°C
Scattered Showers
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
57°F 14°C
Overcast
Refreshing around 65°F 18°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds shifting from the NNE to the WSW at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 18°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 76°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds WSW at 10 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 79°F 26°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the W at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
62°F 17°C
Nearby Thunderstorms
Early-Evening
59°F 15°C
Nearby Thunderstorms
Mildly cool near 62°F 17°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds moving from the NNW to the S at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
62°F 17°C
Overcast
Pleasant near 71°F 22°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds W at 8 mph 13 km/h.
Wednesday, September 23, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 62°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the SW at 6 mph 10 km/h.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Cloudy
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
40°F 5°C
Scattered Showers
Brisk around 57°F 14°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure rising. Winds turning from the WSW to the NNW at 20 mph 33 km/h. Gusts up to 30 mph 49 km/h.
Friday, September 25, 2026
Mid-Morning
39°F 4°C
Light Sleet Showers
Mid-Afternoon
40°F 5°C
Scattered Showers
Early-Evening
41°F 5°C
Scattered Showers
Biting cold near 40°F 5°C, locally heavy sleet at times, with steady humidity and barometric pressure falling. Winds switching from the ENE to the ESE at 11 mph 17 km/h.
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