Weather WorldCircle Reservoir, MT 14 Day Weather
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Circle Reservoir, MT Weather Forecast
Circle Reservoir, MT Weather Forecast Dated: 252 PM Wed Sep 09 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 76°F 24°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the W to the NW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 26°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the SW to the NE at 10 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
59°F 15°C
Light Showers
Chilly near 57°F 14°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds moving from the N to the NW at 11 mph 17 km/h.
Saturday, September 12, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
57°F 14°C
Overcast
Cool with a high near 60°F 16°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the NNW to the ENE at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
47°F 8°C
Rain
Early-Evening
45°F 7°C
Light Showers
Brisk around 47°F 8°C, persistent showers off and on through the day, with increasing humidity and steady pressure. Winds shifting from the E to the NE at 17 mph 28 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 14, 2026
Mid-Morning
43°F 6°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
51°F 11°C
Sunny
Cool and brisk at 52°F 11°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds decreasing from WNW 13 mph 21 km/h to SE 5 mph 8 km/h.
Tuesday, September 15, 2026
Mid-Morning
51°F 11°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
61°F 16°C
Overcast
Comfortable at 66°F 19°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the SE to the NE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
65°F 18°C
Overcast
Enjoyable around 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the ENE to the ESE at 11 mph 18 km/h.
Thursday, September 17, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
73°F 23°C
Sunny
Mild temperatures up to 76°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds SSE at 11 mph 17 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
70°F 22°C
Sunny
Mild with a high of 79°F 26°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds out of the WNW at 19 mph 30 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
68°F 20°C
Overcast
Pleasant near 69°F 20°C, overcast throughout the day, with increasing humidity and barometric pressure falling.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Cool with a high near 65°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NNW to the NE at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
63°F 17°C
Sunny
Enjoyable around 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds switching from the E to the SSE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 22, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the ENE at 8 mph 12 km/h.
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