Weather WorldSidney Lake, MT 14 Day Weather
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Sidney Lake, MT Weather Forecast
Sidney Lake, MT Weather Forecast Dated: 1144 PM Tue Oct 06 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.
Tuesday, October 6, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Pleasant near 70°F 21°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Thursday, October 8, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
61°F 16°C
Cloudy
Comfortable at 67°F 20°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, October 9, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
69°F 21°C
Partly Cloudy
Early-Evening
56°F 13°C
Overcast
Mild temperatures up to 69°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the WSW at 7 mph 11 km/h.
Saturday, October 10, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
39°F 4°C
Overcast
Early-Evening
28°F -2°C
Heavy Snow
Biting cold near 39°F 4°C, mainly dry until evening snow arrive, with increasing humidity and barometric pressure rising. Winds switching from the N to the ENE at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Sunday, October 11, 2026
Mid-Morning
23°F -5°C
Heavy Snow
Mid-Afternoon
31°F -1°C
Light Snow Showers
Early-Evening
26°F -3°C
Freezing Rain
Frigid with highs around 31°F -1°C, on-and-off snow throughout the day, with steady humidity and steady pressure. Snow accumulation up to 2 in. up to 5 cm. Winds moving from the ENE to the SSE at 4 mph 6 km/h.
Monday, October 12, 2026
Mid-Morning
27°F -3°C
Overcast
Mid-Afternoon
40°F 5°C
Partly Cloudy
Early-Evening
40°F 4°C
Light Fog
Nippy around 40°F 5°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Tuesday, October 13, 2026
Mid-Morning
39°F 4°C
Sunny
Mid-Afternoon
55°F 13°C
Partly Cloudy
Early-Evening
51°F 10°C
Scattered Showers
Crisp with a high near 55°F 13°C, scattered downpours possible, with lower humidity and barometric pressure falling.
Wednesday, October 14, 2026
Mid-Morning
38°F 4°C
Sunny
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
40°F 4°C
Scattered Showers
Cold with a high near 44°F 7°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds swinging from the SSW to the W at 8 mph 13 km/h.
Thursday, October 15, 2026
Mid-Morning
29°F -2°C
Sunny
Mid-Afternoon
46°F 8°C
Sunny
Early-Evening
39°F 4°C
Sunny
Cool and brisk at 46°F 8°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Friday, October 16, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
45°F 8°C
Partly Cloudy
Chilly near 51°F 11°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 17, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
54°F 13°C
Sunny
Cool with a high near 66°F 19°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.
Sunday, October 18, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
56°F 13°C
Overcast
Refreshing around 63°F 17°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Monday, October 19, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
48°F 9°C
Sunny
Cool and brisk at 56°F 13°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the NW at 11 mph 18 km/h.
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