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Alpha Lake, MT Weather Forecast
Alpha Lake, MT Weather Forecast Dated: 1158 AM Tue Sep 22 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.
Tuesday, September 22, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
61°F 16°C
Overcast
Pleasant near 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
58°F 15°C
Partly Cloudy
Comfortable with temperatures reaching 68°F 20°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the S to the SSE at 4 mph 6 km/h.
Thursday, September 24, 2026
Mid-Morning
49°F 9°C
Partly Cloudy
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
63°F 17°C
Overcast
Enjoyable around 74°F 23°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
53°F 11°C
Overcast
Mid-Afternoon
55°F 13°C
Drizzle
Early-Evening
51°F 11°C
Scattered Showers
Crisp with a high near 55°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds switching from the WSW to the SSW at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 26, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
55°F 13°C
Cloudy
Early-Evening
48°F 9°C
Overcast
Brisk around 55°F 13°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the SSW to the SE at 4 mph 6 km/h.
Sunday, September 27, 2026
Mid-Morning
44°F 6°C
Partly Cloudy
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
54°F 12°C
Overcast
Mildly cool near 61°F 16°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Monday, September 28, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
49°F 10°C
Cloudy
Comfortable at 58°F 14°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
42°F 6°C
Partly Cloudy
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
45°F 8°C
Light Showers
Crisp with a high near 51°F 11°C, scattered downpours possible, with steady humidity and steady pressure. Winds out of the SSW at 9 mph 15 km/h.
Wednesday, September 30, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
49°F 10°C
Overcast
Brisk around 55°F 13°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Thursday, October 1, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mild with a high of 71°F 21°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
60°F 16°C
Sunny
Pleasant near 70°F 21°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 3, 2026
Mid-Morning
47°F 9°C
Light Showers
Mid-Afternoon
46°F 8°C
Light Showers
Early-Evening
40°F 4°C
Light Showers
Crisp with a high near 46°F 8°C, on-and-off showers throughout the day, with steady humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
39°F 4°C
Fog
Mid-Afternoon
43°F 6°C
Scattered Showers
Early-Evening
42°F 6°C
Sunny
Nippy around 43°F 6°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Monday, October 5, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
45°F 7°C
Overcast
Cool and brisk at 51°F 11°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
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