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Sidney, MT Weather Forecast


Sidney, MT Weather Forecast Dated: 544 PM Mon Oct 26 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Monday, October 26, 2026
Mid-Morning
36°F 2°C
Cloudy
Mid-Afternoon
43°F 6°C
Overcast
Early-Evening
39°F 4°C
Overcast
Nippy around 43°F 6°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the ESE to the SE at 14 mph 23 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, October 27, 2026
Mid-Morning
36°F 2°C
Scattered Showers
Mid-Afternoon
39°F 4°C
Scattered Showers
Early-Evening
36°F 3°C
Partly Cloudy
Biting cold near 39°F 4°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the ESE to the SW at 7 mph 11 km/h.
Wednesday, October 28, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
41°F 5°C
Clear
Chilly near 52°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the W to the NW at 5 mph 8 km/h.
Thursday, October 29, 2026
Mid-Morning
36°F 2°C
Cloudy
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
38°F 3°C
Clear
Crisp with a high near 48°F 9°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the NE to the N at 6 mph 10 km/h.
Friday, October 30, 2026
Mid-Morning
33°F 1°C
Partly Cloudy
Mid-Afternoon
49°F 9°C
Overcast
Early-Evening
45°F 7°C
Overcast
Brisk around 49°F 9°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the ESE at 13 mph 21 km/h. Gusts up to 32 mph 52 km/h.
Saturday, October 31, 2026
Mid-Morning
48°F 9°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Drizzle
Early-Evening
49°F 10°C
Scattered Showers
Cool and brisk at 53°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Light Rain
Early-Evening
45°F 8°C
Drizzle
Chilly near 48°F 9°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the NW at 9 mph 13 km/h.
Monday, November 2, 2026
Mid-Morning
44°F 6°C
Partly Cloudy
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
41°F 6°C
Partly Cloudy
Biting cold near 44°F 7°C, scattered downpours possible, with steady humidity and steady pressure. Winds out of the WNW at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, November 3, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
49°F 9°C
Partly Cloudy
Early-Evening
48°F 9°C
Partly Cloudy
Brisk around 49°F 9°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds moving from the W to the WNW at 8 mph 12 km/h.
Wednesday, November 4, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Sunny
Early-Evening
43°F 7°C
Clear
Cool and brisk at 47°F 8°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 8 mph 13 km/h.
Thursday, November 5, 2026
Mid-Morning
47°F 8°C
Partly Cloudy
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
48°F 9°C
Overcast
Chilly near 53°F 12°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling.
Friday, November 6, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
52°F 11°C
Partly Cloudy
Early-Evening
46°F 8°C
Cloudy
Crisp with a high near 52°F 11°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with increasing humidity and steady pressure.
Saturday, November 7, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
50°F 10°C
Scattered Showers
Early-Evening
48°F 9°C
Scattered Showers
Brisk around 50°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Sunday, November 8, 2026
Mid-Morning
46°F 8°C
Drizzle
Mid-Afternoon
46°F 8°C
Partly Cloudy
Early-Evening
43°F 7°C
Partly Cloudy
Cool and brisk at 46°F 8°C, scattered morning showers before drying out later, with steady humidity and barometric pressure rising. Winds shifting from the W to the WNW at 14 mph 23 km/h. Gusts up to 23 mph 38 km/h.
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