Sundown Lake, MT 14 Day Weather
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Sundown Lake, MT Weather Forecast


Sundown Lake, MT Weather Forecast Dated: 245 PM Tue Sep 22 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Tuesday, September 22, 2026
Mid-Morning
48°F 9°C
Cloudy
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
51°F 11°C
Overcast
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the ESE to the E at 4 mph 6 km/h.
Wednesday, September 23, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
58°F 15°C
Scattered Showers
Early-Evening
52°F 11°C
Partly Cloudy
Mildly cool near 58°F 15°C, scattered downpours possible, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
57°F 14°C
Partly Cloudy
Comfortable at 66°F 19°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
51°F 10°C
Partly Cloudy
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
54°F 13°C
Sunny
Cool with a high near 65°F 19°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the SW at 10 mph 16 km/h.
Saturday, September 26, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
55°F 13°C
Cloudy
Early-Evening
46°F 8°C
Overcast
Brisk around 55°F 13°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 8 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
55°F 13°C
Partly Cloudy
Mildly cool near 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SE to the S at 9 mph 13 km/h.
Monday, September 28, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
60°F 15°C
Overcast
Early-Evening
51°F 10°C
Overcast
Comfortable at 60°F 15°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the WSW to the S at 3 mph 4 km/h.
Tuesday, September 29, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
53°F 12°C
Sunny
Cool with a high near 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
51°F 11°C
Sunny
Refreshing around 62°F 17°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSE to the SSW at 7 mph 11 km/h.
Thursday, October 1, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
46°F 8°C
Sunny
Cool and brisk at 57°F 14°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the WSW at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.
Friday, October 2, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
36°F 2°C
Overcast
Chilly near 46°F 8°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the SW at 15 mph 25 km/h.
Saturday, October 3, 2026
Mid-Morning
31°F -1°C
Overcast
Mid-Afternoon
47°F 8°C
Overcast
Early-Evening
41°F 5°C
Overcast
Crisp with a high near 47°F 8°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Sunday, October 4, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
58°F 14°C
Cloudy
Early-Evening
47°F 9°C
Overcast
Refreshing around 58°F 14°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the SSE to the S at 5 mph 8 km/h.
Monday, October 5, 2026
Mid-Morning
44°F 7°C
Overcast
Mid-Afternoon
66°F 19°C
Cloudy
Early-Evening
52°F 11°C
Partly Cloudy
Mildly cool near 66°F 19°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds shifting from the SE to the S at 8 mph 13 km/h.
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