Apache Reservoir, MT 14 Day Weather
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Apache Reservoir, MT Weather Forecast


Apache Reservoir, MT Weather Forecast Dated: 229 PM Fri Sep 18 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.
Friday, September 18, 2026
Mid-Morning
62°F 17°C
Cloudy
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
71°F 22°C
Partly Cloudy
Warm and summery near 80°F 27°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SE to the ESE at 11 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Saturday, September 19, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
60°F 16°C
Scattered Showers
Mildly cool near 64°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the ESE to the E at 13 mph 22 km/h.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Light Showers
Mid-Afternoon
56°F 13°C
Light Showers
Early-Evening
55°F 13°C
Scattered Showers
Chilly near 56°F 13°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds ESE at 16 mph 26 km/h.
Monday, September 21, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
56°F 14°C
Cloudy
Cool with a high near 61°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the ESE to the SE at 14 mph 23 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
66°F 19°C
Cloudy
Mild with a high of 73°F 23°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds blowing from the SE at 11 mph 18 km/h.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
72°F 22°C
Sunny
Warm and summery near 81°F 27°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 10 mph 16 km/h.
Thursday, September 24, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 23°C
Sunny
Balmy with temperatures reaching 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the SE at 13 mph 21 km/h.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SE at 20 mph 32 km/h. Gusts up to 31 mph 49 km/h.
Saturday, September 26, 2026
Mid-Morning
62°F 16°C
Overcast
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
81°F 27°C
Sunny
Mild temperatures up to 69°F 20°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds swinging from the N to the SW at 18 mph 28 km/h. Gusts up to 31 mph 49 km/h.
Sunday, September 27, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
63°F 17°C
Sunny
Mildly cool near 65°F 18°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds shifting from the NW to the NE at 8 mph 12 km/h.
Monday, September 28, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
66°F 19°C
Cloudy
Early-Evening
56°F 14°C
Sunny
Comfortable at 66°F 19°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the NNW to the NW at 18 mph 30 km/h. Gusts up to 26 mph 42 km/h.
Tuesday, September 29, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
52°F 11°C
Cloudy
Early-Evening
45°F 7°C
Overcast
Crisp with a high near 52°F 11°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure rising. Winds switching from the WNW to the NW at 17 mph 28 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 30, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
43°F 6°C
Scattered Showers
Early-Evening
44°F 7°C
Overcast
Nippy around 43°F 6°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the NW to the N at 6 mph 9 km/h.
Thursday, October 1, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
54°F 12°C
Sunny
Mildly cool near 59°F 15°C, sunny throughout the day, with lower humidity and barometric pressure falling.
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