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Castle Bluffs Rapids, MT Weather Forecast
Castle Bluffs Rapids, MT Weather Forecast Dated: 1207 PM Sun Oct 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.
Sunday, October 18, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
49°F 10°C
Sunny
Brisk around 56°F 13°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the NNE to the E at 9 mph 14 km/h.
Monday, October 19, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
54°F 13°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Tuesday, October 20, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
50°F 10°C
Partly Cloudy
Comfortable at 58°F 14°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
54°F 13°C
Sunny
Cool with a high near 63°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ENE at 4 mph 7 km/h.
Thursday, October 22, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mild with a high of 69°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Friday, October 23, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
42°F 6°C
Overcast
Early-Evening
40°F 5°C
Sunny
Cold with a high near 42°F 6°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and barometric pressure rising. Winds moving from the NNW to the NW at 16 mph 26 km/h. Gusts up to 24 mph 39 km/h.
Saturday, October 24, 2026
Mid-Morning
31°F 0°C
Partly Cloudy
Mid-Afternoon
42°F 6°C
Overcast
Early-Evening
39°F 4°C
Overcast
Nippy around 42°F 6°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Sunday, October 25, 2026
Mid-Morning
37°F 3°C
Overcast
Mid-Afternoon
44°F 6°C
Overcast
Early-Evening
42°F 5°C
Overcast
Biting cold near 44°F 6°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the ENE to the NE at 8 mph 12 km/h.
Monday, October 26, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
46°F 8°C
Cloudy
Early-Evening
40°F 5°C
Sunny
Brisk around 46°F 8°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds blowing from the E at 11 mph 18 km/h.
Tuesday, October 27, 2026
Mid-Morning
37°F 3°C
Overcast
Mid-Afternoon
40°F 4°C
Overcast
Early-Evening
39°F 4°C
Drizzle
Nippy around 40°F 4°C, drier conditions through late afternoon before showers move in, with steady humidity and barometric pressure falling. Winds turning from the E to the W at 10 mph 16 km/h.
Wednesday, October 28, 2026
Mid-Morning
36°F 2°C
Blowing Snow
Mid-Afternoon
43°F 6°C
Sunny
Early-Evening
37°F 3°C
Sunny
Biting cold near 43°F 6°C, patchy blowing snow and gusty conditions, with lower humidity and barometric pressure rising. Winds easing from WNW 26 mph 42 km/h to NW 11 mph 18 km/h.
Thursday, October 29, 2026
Mid-Morning
29°F -2°C
Overcast
Mid-Afternoon
28°F -2°C
Heavy Snow
Early-Evening
27°F -3°C
Overcast
Frigid with highs around 28°F -2°C, dry early, with snow developing in the afternoon, with steady humidity and barometric pressure rising. Winds moving from the N to the NW at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.
Friday, October 30, 2026
Mid-Morning
23°F -5°C
Sunny
Mid-Afternoon
31°F -1°C
Sunny
Early-Evening
25°F -5°C
Sunny
Freezing near 31°F -1°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the WNW to the NW at 4 mph 7 km/h.
Saturday, October 31, 2026
Mid-Morning
26°F -3°C
Partly Cloudy
Mid-Afternoon
39°F 4°C
Sunny
Early-Evening
29°F -2°C
Clear
Biting cold near 39°F 4°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the W to the NW at 5 mph 8 km/h.
Castle Bluffs Rapids, MT Weather Radar Map
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