Mattson Slough, MT 14 Day Weather
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Mattson Slough, MT Weather Forecast


Mattson Slough, MT Weather Forecast Dated: 1023 PM Sun Sep 27 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.
Sunday, September 27, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
55°F 13°C
Overcast
Brisk around 55°F 13°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the NNW to the ESE at 6 mph 9 km/h.
Monday, September 28, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
64°F 18°C
Partly Cloudy
Mildly cool near 64°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
70°F 21°C
Overcast
Enjoyable around 70°F 21°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the SSW to the W at 11 mph 18 km/h. Gusts up to 25 mph 39 km/h.
Wednesday, September 30, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
51°F 11°C
Partly Cloudy
Crisp with a high near 53°F 12°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the NNW to the WNW at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.
Thursday, October 1, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
53°F 12°C
Sunny
Brisk around 53°F 12°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds swinging from the W to the NE at 4 mph 6 km/h.
Friday, October 2, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
59°F 15°C
Overcast
Mildly cool near 59°F 15°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the ESE at 13 mph 22 km/h. Gusts up to 26 mph 42 km/h.
Saturday, October 3, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
53°F 12°C
Overcast
Comfortable at 63°F 17°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure rising. Winds increasing from the W at 3 mph 5 km/h to N at 13 mph 21 km/h. Gusts up to 24 mph 39 km/h.
Sunday, October 4, 2026
Mid-Morning
42°F 5°C
Sunny
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
53°F 12°C
Overcast
Crisp with a high near 53°F 12°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Monday, October 5, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
68°F 20°C
Sunny
Refreshing around 65°F 18°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the SSW at 14 mph 22 km/h.
Tuesday, October 6, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
56°F 13°C
Overcast
Mildly cool near 62°F 17°C, overcast throughout the day, with lower humidity and barometric pressure rising. Winds moving from the NNW to the NW at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Wednesday, October 7, 2026
Mid-Morning
40°F 5°C
Sunny
Mid-Afternoon
40°F 4°C
Scattered Showers
Early-Evening
39°F 4°C
Overcast
Biting cold near 40°F 4°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the NNW to the N at 11 mph 17 km/h.
Thursday, October 8, 2026
Mid-Morning
35°F 1°C
Overcast
Mid-Afternoon
49°F 10°C
Sunny
Early-Evening
51°F 11°C
Sunny
Crisp with a high near 49°F 10°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Friday, October 9, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
64°F 18°C
Sunny
Refreshing around 66°F 19°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds shifting from the WSW to the NNW at 12 mph 19 km/h. Gusts up to 28 mph 46 km/h.
Saturday, October 10, 2026
Mid-Morning
38°F 3°C
Overcast
Mid-Afternoon
45°F 7°C
Overcast
Early-Evening
43°F 6°C
Sunny
Cool and brisk at 45°F 7°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds turning from the N to the NE at 7 mph 12 km/h.
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