Rough Lake, MT 14 Day Weather
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Rough Lake, MT Weather Forecast


Rough Lake, MT Weather Forecast Dated: 359 PM Mon Sep 07 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Monday, September 7, 2026
Mid-Morning
43°F 6°C
Scattered Showers
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
45°F 8°C
Sunny
Brisk around 51°F 11°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the WSW at 24 mph 39 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 8, 2026
Mid-Morning
42°F 6°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
43°F 6°C
Partly Cloudy
Cool and brisk at 55°F 13°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the SW to the WSW at 10 mph 15 km/h.
Wednesday, September 9, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
51°F 10°C
Sunny
Comfortable at 61°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SSW to the W at 10 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
54°F 12°C
Overcast
Cool with a high near 66°F 19°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SW to the S at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
47°F 8°C
Sunny
Refreshing around 62°F 17°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds shifting from the SW to the E at 10 mph 16 km/h.
Saturday, September 12, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
51°F 11°C
Nearby Thunderstorms
Mildly cool near 64°F 18°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds turning from the SE to the E at 8 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
39°F 4°C
Overcast
Mid-Afternoon
43°F 6°C
Scattered Showers
Early-Evening
42°F 5°C
Overcast
Nippy around 43°F 6°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the WSW at 20 mph 32 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 14, 2026
Mid-Morning
32°F 0°C
Light Snow Showers
Mid-Afternoon
41°F 5°C
Scattered Showers
Early-Evening
39°F 4°C
Sunny
Biting cold near 41°F 5°C, patchy blowing snow and gusty conditions, with lower humidity and steady pressure. Snow accumulation up to 1 in. up to 3 cm.
Tuesday, September 15, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
56°F 13°C
Partly Cloudy
Early-Evening
46°F 8°C
Overcast
Brisk around 56°F 13°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
60°F 15°C
Overcast
Mildly cool near 60°F 16°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
52°F 11°C
Rain
Comfortable at 61°F 16°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the ESE to the SW at 6 mph 10 km/h.
Friday, September 18, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
60°F 15°C
Overcast
Early-Evening
53°F 12°C
Cloudy
Cool with a high near 60°F 15°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the S at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 19, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
50°F 10°C
Sunny
Refreshing around 61°F 16°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SSW to the ESE at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
60°F 16°C
Sunny
Mild temperatures up to 71°F 21°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSE to the SE at 7 mph 12 km/h.
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