Arrowhead Lake, MT 14 Day Weather
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Arrowhead Lake, MT Weather Forecast


Arrowhead Lake, MT Weather Forecast Dated: 436 PM Thu Oct 22 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Thursday, October 22, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
65°F 18°C
Cloudy
Early-Evening
60°F 16°C
Cloudy
Refreshing around 65°F 18°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds out of the SE at 13 mph 21 km/h.
Friday, October 23, 2026
Mid-Morning
52°F 11°C
Partly Cloudy
Mid-Afternoon
58°F 14°C
Drizzle
Early-Evening
43°F 6°C
Light Showers
Mildly cool near 58°F 14°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure rising. Winds switching from the SSW to the NNW at 9 mph 14 km/h. Gusts up to 24 mph 39 km/h.
Saturday, October 24, 2026
Mid-Morning
33°F 1°C
Partly Cloudy
Mid-Afternoon
46°F 8°C
Sunny
Early-Evening
41°F 5°C
Sunny
Chilly near 46°F 8°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the S at 6 mph 10 km/h.
Sunday, October 25, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
44°F 7°C
Partly Cloudy
Early-Evening
38°F 4°C
Partly Cloudy
Nippy around 44°F 7°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
43°F 6°C
Sunny
Brisk around 48°F 9°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Tuesday, October 27, 2026
Mid-Morning
42°F 6°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
43°F 6°C
Light Showers
Cool and brisk at 52°F 11°C, locally heavy downpours at times, with steady humidity and steady pressure.
Wednesday, October 28, 2026
Mid-Morning
34°F 1°C
Snow
Mid-Afternoon
34°F 1°C
Snow
Early-Evening
31°F 0°C
Freezing Rain
Nippy around 34°F 1°C, rounds of snow expected off and on all day, with steady humidity and barometric pressure rising.
Thursday, October 29, 2026
Mid-Morning
29°F -2°C
Partly Cloudy
Mid-Afternoon
35°F 2°C
Partly Cloudy
Early-Evening
32°F 0°C
Freezing Rain
Biting cold near 35°F 2°C, mainly dry until evening freezing rain arrive, with steady humidity and barometric pressure falling.
Friday, October 30, 2026
Mid-Morning
33°F 1°C
Sunny
Mid-Afternoon
40°F 4°C
Partly Cloudy
Early-Evening
35°F 1°C
Partly Cloudy
Cold with a high near 40°F 4°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Saturday, October 31, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
43°F 6°C
Sunny
Early-Evening
40°F 5°C
Sunny
Nippy around 43°F 6°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
44°F 7°C
Partly Cloudy
Early-Evening
41°F 5°C
Partly Cloudy
Biting cold near 44°F 7°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
42°F 5°C
Partly Cloudy
Mid-Afternoon
44°F 7°C
Overcast
Early-Evening
40°F 5°C
Overcast
Cold with a high near 44°F 7°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Tuesday, November 3, 2026
Mid-Morning
40°F 5°C
Cloudy
Mid-Afternoon
41°F 5°C
Partly Cloudy
Early-Evening
37°F 3°C
Clear
Nippy around 41°F 5°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and steady pressure.
Wednesday, November 4, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
45°F 7°C
Cloudy
Early-Evening
42°F 6°C
Clear
Cool and brisk at 45°F 7°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure.
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