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Arrowhead School, MT Weather Forecast
Arrowhead School, MT Weather Forecast Dated: 826 AM Tue Sep 08 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 8, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
54°F 12°C
Overcast
Refreshing around 62°F 17°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the SW at 7 mph 11 km/h.
Wednesday, September 9, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
64°F 18°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSW to the SW at 11 mph 18 km/h.
Thursday, September 10, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
65°F 19°C
Cloudy
Enjoyable around 78°F 26°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the SSW to the WSW at 10 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 73°F 23°C, overcast throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
47°F 8°C
Overcast
Brisk around 54°F 12°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure rising. Winds out of the NE at 11 mph 17 km/h.
Sunday, September 13, 2026
Mid-Morning
34°F 1°C
Light Sleet Showers
Mid-Afternoon
35°F 1°C
Fog
Early-Evening
34°F 1°C
Fog
Cold with a high near 35°F 1°C, morning sleet, giving way to clearing skies, with steady humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm.
Monday, September 14, 2026
Mid-Morning
39°F 4°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
52°F 11°C
Sunny
Comfortable at 58°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SW at 6 mph 9 km/h.
Tuesday, September 15, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
58°F 15°C
Overcast
Enjoyable around 69°F 20°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds SSW at 9 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
62°F 17°C
Sunny
Mild temperatures up to 70°F 21°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the SSW to the NW at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
53°F 12°C
Sunny
Mild with a high of 68°F 20°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds moving from the SSW to the NNE at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
35°F 2°C
Light Fog
Mid-Afternoon
35°F 2°C
Scattered Showers
Early-Evening
34°F 1°C
Light Fog
Biting cold near 35°F 2°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
40°F 5°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
53°F 12°C
Sunny
Cool with a high near 62°F 17°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the S to the SSW at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
60°F 16°C
Sunny
Enjoyable around 74°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the W at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
62°F 17°C
Partly Cloudy
Mild temperatures up to 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the SSW to the SW at 4 mph 6 km/h.
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