Shell Reservoir, MT 14 Day Weather
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Shell Reservoir, MT Weather Forecast


Shell Reservoir, MT Weather Forecast Dated: 1249 AM Mon Sep 21 2026
Expect a mild stretch with plenty of sunshine and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 21, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
67°F 20°C
Cloudy
Early-Evening
60°F 16°C
Sunny
Refreshing around 67°F 20°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds picking up from SE at 7 mph 12 km/h to ESE at 15 mph 24 km/h. Gusts up to 25 mph 41 km/h.
Tuesday, September 22, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
76°F 25°C
Cloudy
Early-Evening
69°F 20°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the SSE to the ESE at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 23, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 78°F 26°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WSW to the ENE at 6 mph 10 km/h.
Thursday, September 24, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the SSE to the ESE at 10 mph 15 km/h.
Friday, September 25, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
73°F 22°C
Sunny
Very warm with a high of 85°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds building from SE at 10 mph 16 km/h to SE at 20 mph 32 km/h. Gusts up to 34 mph 54 km/h.
Saturday, September 26, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
62°F 17°C
Overcast
Pleasant near 70°F 21°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure rising. Winds turning from the N to the NNE at 14 mph 22 km/h.
Sunday, September 27, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
57°F 14°C
Overcast
Comfortable at 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the ENE to the ESE at 9 mph 14 km/h.
Monday, September 28, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the S to the SE at 13 mph 20 km/h. Gusts up to 27 mph 43 km/h.
Wednesday, September 30, 2026
Mid-Morning
69°F 20°C
Partly Cloudy
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
75°F 24°C
Overcast
Very warm with a high of 84°F 29°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds decreasing from S 16 mph 25 km/h to N 8 mph 12 km/h.
Thursday, October 1, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Pleasant near 70°F 21°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds shifting from the N to the NW at 3 mph 5 km/h.
Friday, October 2, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
70°F 21°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the S to the SE at 11 mph 18 km/h.
Saturday, October 3, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
73°F 23°C
Overcast
Quite warm around 84°F 29°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds increasing from the NNW at 1 mph 1 km/h to ESE at 9 mph 14 km/h.
Sunday, October 4, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
53°F 11°C
Light Showers
Early-Evening
47°F 8°C
Light Showers
Cool and brisk at 53°F 11°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure rising. Winds moving from the WNW to the NW at 23 mph 36 km/h. Gusts up to 32 mph 51 km/h.
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