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Stash Lake, MT Weather Forecast
Stash Lake, MT Weather Forecast Dated: 442 AM Fri Sep 25 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.
Friday, September 25, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
52°F 11°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds picking up from S at 2 mph 3 km/h to SSW at 10 mph 15 km/h.
Saturday, September 26, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
46°F 7°C
Cloudy
Cool and brisk at 55°F 13°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the SSW at 8 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
45°F 7°C
Nearby Thunderstorms
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
49°F 10°C
Overcast
Comfortable at 59°F 15°C, heavy thunderstorms conditions at times, with lower humidity and barometric pressure falling. Winds WSW at 20 mph 32 km/h.
Monday, September 28, 2026
Mid-Morning
36°F 2°C
Heavy Snow Showers
Mid-Afternoon
44°F 7°C
Light Showers
Early-Evening
40°F 5°C
Light Showers
Nippy around 44°F 7°C, rounds of snow expected off and on all day, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
33°F 0°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Cloudy
Early-Evening
40°F 4°C
Sunny
Brisk around 47°F 8°C, cloudy throughout the day, with lower humidity and steady pressure. Winds swinging from the SW to the WSW at 10 mph 16 km/h.
Wednesday, September 30, 2026
Mid-Morning
36°F 2°C
Scattered Showers
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
43°F 6°C
Cloudy
Cool and brisk at 50°F 10°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the SW to the WNW at 9 mph 15 km/h.
Thursday, October 1, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
46°F 8°C
Overcast
Chilly near 55°F 13°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds WSW at 17 mph 28 km/h.
Friday, October 2, 2026
Mid-Morning
44°F 6°C
Sunny
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
47°F 8°C
Overcast
Crisp with a high near 54°F 12°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds picking up from SSW at 4 mph 6 km/h to SW at 19 mph 30 km/h. Gusts up to 31 mph 50 km/h.
Saturday, October 3, 2026
Mid-Morning
30°F -1°C
Scattered Snow Showers
Mid-Afternoon
36°F 2°C
Overcast
Early-Evening
27°F -3°C
Sunny
Cold with a high near 36°F 2°C, blowing snow reducing visibility at times, with steady humidity and barometric pressure rising. Winds moving from the W to the NNW at 10 mph 16 km/h.
Sunday, October 4, 2026
Mid-Morning
24°F -4°C
Sunny
Mid-Afternoon
35°F 1°C
Light Snow Showers
Early-Evening
25°F -4°C
Light Snow Showers
Nippy around 35°F 1°C, drier morning followed by snow lasting through evening, with increasing humidity and steady pressure. Winds swinging from the NW to the NE at 6 mph 10 km/h.
Monday, October 5, 2026
Mid-Morning
26°F -3°C
Partly Cloudy
Mid-Afternoon
49°F 9°C
Sunny
Early-Evening
37°F 3°C
Partly Cloudy
Chilly near 49°F 9°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Tuesday, October 6, 2026
Mid-Morning
39°F 4°C
Overcast
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
45°F 8°C
Partly Cloudy
Cool with a high near 59°F 15°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
52°F 11°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with increasing humidity and barometric pressure falling.
Thursday, October 8, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
51°F 11°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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