Nelson Reservoir, MT 14 Day Weather
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Nelson Reservoir, MT Weather Forecast


Nelson Reservoir, MT Weather Forecast Dated: 544 AM Tue Sep 01 2026 (Nelson Reservoir Time)
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the next two weeks. comfortable humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
77°F 25°C
Partly Cloudy
Very warm with mostly cloudy skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, lower humidity and barometric pressure falling. Winds shifting from SW to WSW at 9 mph 15 km/h.
Wednesday, September 2, 2026
Mid-Morning
68°F 20°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Cloudy
Early-Evening
71°F 22°C
Overcast
Very warm with mostly cloudy skies, lower humidity and steady pressure. Winds increasing from the SW at 3 mph 5 km/h to WNW at 17 mph 26 km/h.
Thursday, September 3, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
73°F 23°C
Sunny
Very warm with mostly sunny skies in the morning, partly sunny in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure. Winds increasing from the S at 4 mph 7 km/h to W at 15 mph 24 km/h.
Friday, September 4, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds increasing from the SE at 2 mph 3 km/h to E at 11 mph 17 km/h.
Saturday, September 5, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 26°C
Partly Cloudy
Early-Evening
73°F 23°C
Overcast
Very warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and barometric pressure falling. Winds increasing from the E at 5 mph 8 km/h to E at 14 mph 22 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 25°C
Cloudy
Very warm with overcast skies, lower humidity and barometric pressure falling. Winds increasing from the SE at 8 mph 13 km/h to SE at 17 mph 26 km/h.
Monday, September 7, 2026
Mid-Morning
64°F 18°C
Cloudy
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
73°F 23°C
Overcast
Very warm with overcast skies, lower humidity and steady pressure. Winds shifting from W to NNW at 13 mph 21 km/h.
Tuesday, September 8, 2026
Mid-Morning
68°F 20°C
Partly Cloudy
Mid-Afternoon
87°F 30°C
Partly Cloudy
Early-Evening
74°F 23°C
Partly Cloudy
Very warm with partly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, lower humidity and steady pressure. Winds increasing from the WSW at 6 mph 10 km/h to WNW at 16 mph 27 km/h.
Wednesday, September 9, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
71°F 22°C
Partly Cloudy
Warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and barometric pressure falling. Winds shifting from WNW to N at 11 mph 18 km/h.
Thursday, September 10, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
75°F 24°C
Sunny
Very warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from W to N at 10 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
78°F 26°C
Cloudy
Very warm with partly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and barometric pressure falling. Winds shifting from WSW to NE at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
92°F 33°C
Partly Cloudy
Early-Evening
80°F 27°C
Sunny
Hot with mostly cloudy skies in the morning, then partly sunny for the afternoon and evening, steady humidity and steady pressure. Winds increasing from the WSW at 8 mph 13 km/h to N at 21 mph 33 km/h.
Sunday, September 13, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
59°F 15°C
Sunny
Cool with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from NNW to NW at 10 mph 16 km/h.
Monday, September 14, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
67°F 19°C
Sunny
Very warm with mostly cloudy skies, steady humidity and barometric pressure falling. Winds shifting from WSW to ESE at 8 mph 12 km/h.
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