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Big Dam, MT Weather Forecast
Big Dam, MT Weather Forecast Dated: 644 AM Thu Nov 12 2026
Expect a cool pattern with more clouds than sun and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, November 12, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
46°F 8°C
Overcast
Brisk around 53°F 12°C, overcast throughout the day, with steady humidity and steady pressure.
Friday, November 13, 2026
Mid-Morning
42°F 5°C
Overcast
Mid-Afternoon
49°F 9°C
Overcast
Early-Evening
42°F 6°C
Overcast
Cool and brisk at 49°F 9°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Saturday, November 14, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
49°F 9°C
Partly Cloudy
Early-Evening
39°F 4°C
Clear
Chilly near 49°F 9°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with increasing humidity and barometric pressure rising. Winds turning from the SE to the W at 9 mph 14 km/h.
Sunday, November 15, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
47°F 8°C
Partly Cloudy
Early-Evening
39°F 4°C
Clear
Crisp with a high near 47°F 8°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the SW to the WSW at 6 mph 9 km/h.
Monday, November 16, 2026
Mid-Morning
40°F 4°C
Overcast
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
40°F 5°C
Scattered Showers
Brisk around 46°F 8°C, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, November 17, 2026
Mid-Morning
35°F 2°C
Overcast
Mid-Afternoon
36°F 2°C
Overcast
Early-Evening
33°F 1°C
Cloudy
Cold with a high near 36°F 2°C, overcast throughout the day, with steady humidity and steady pressure.
Wednesday, November 18, 2026
Mid-Morning
32°F 0°C
Light Snow
Mid-Afternoon
32°F 0°C
Partly Cloudy
Early-Evening
31°F -1°C
Partly Cloudy
Nippy around 32°F 0°C, early snow breaking for a drier afternoon, with steady humidity and steady pressure.
Thursday, November 19, 2026
Mid-Morning
31°F -1°C
Freezing Rain
Mid-Afternoon
30°F -1°C
Light Snow
Early-Evening
28°F -2°C
Patchy Moderate Snow
Freezing temperatures near 30°F -1°C, persistent freezing rain off and on through the day, with steady humidity and steady pressure.
Friday, November 20, 2026
Mid-Morning
29°F -2°C
Patchy Moderate Snow
Mid-Afternoon
28°F -2°C
Patchy Moderate Snow
Early-Evening
26°F -4°C
Light Snow
Frigid with highs around 28°F -2°C, on-and-off snow throughout the day, with steady humidity and steady pressure.
Saturday, November 21, 2026
Mid-Morning
26°F -4°C
Light Snow
Mid-Afternoon
25°F -4°C
Freezing Rain
Early-Evening
23°F -5°C
Partly Cloudy
Freezing near 25°F -4°C, intermittent snow through midday, easing by evening, with steady humidity and steady pressure.
Sunday, November 22, 2026
Mid-Morning
25°F -4°C
Partly Cloudy
Mid-Afternoon
29°F -2°C
Light Snow
Early-Evening
28°F -3°C
Light Snow
Freezing temperatures near 29°F -2°C, clouds and snow taking over for the afternoon and evening, with steady humidity and barometric pressure falling.
Monday, November 23, 2026
Mid-Morning
29°F -2°C
Light Snow
Mid-Afternoon
27°F -3°C
Light Snow
Early-Evening
25°F -4°C
Light Snow
Frigid with highs around 27°F -3°C, on-and-off snow throughout the day, with steady humidity and steady pressure.
Tuesday, November 24, 2026
Mid-Morning
26°F -3°C
Light Snow
Mid-Afternoon
25°F -4°C
Light Snow
Early-Evening
23°F -5°C
Light Snow
Freezing near 25°F -4°C, rounds of snow expected off and on all day, with steady humidity and steady pressure.
Wednesday, November 25, 2026
Mid-Morning
20°F -7°C
Freezing Rain
Mid-Afternoon
20°F -7°C
Light Snow
Early-Evening
16°F -9°C
Light Snow
Freezing temperatures near 20°F -7°C, persistent freezing rain off and on through the day, with increasing humidity and steady pressure.
Big Dam, MT Weather Radar Map
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