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Lava Lake, MT Weather Forecast
Lava Lake, MT Weather Forecast Dated: 1210 AM Thu Oct 15 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Thursday, October 15, 2026
Mid-Morning
32°F 0°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
35°F 2°C
Sunny
Brisk around 48°F 9°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 16, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
40°F 4°C
Overcast
Cool and brisk at 56°F 13°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 17, 2026
Mid-Morning
35°F 1°C
Cloudy
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
40°F 5°C
Overcast
Chilly near 55°F 13°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds out of the S at 8 mph 12 km/h.
Sunday, October 18, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
42°F 6°C
Overcast
Crisp with a high near 53°F 12°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Monday, October 19, 2026
Mid-Morning
37°F 3°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
43°F 6°C
Overcast
Brisk around 54°F 12°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 5 mph 9 km/h.
Tuesday, October 20, 2026
Mid-Morning
39°F 4°C
Overcast
Mid-Afternoon
49°F 9°C
Nearby Thunderstorms
Early-Evening
43°F 6°C
Overcast
Cool and brisk at 49°F 9°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
50°F 10°C
Drizzle
Early-Evening
38°F 3°C
Nearby Thunderstorms
Chilly near 50°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the S to the SSW at 5 mph 9 km/h.
Thursday, October 22, 2026
Mid-Morning
34°F 1°C
Scattered Showers
Mid-Afternoon
43°F 6°C
Scattered Showers
Early-Evening
32°F 0°C
Light Snow Showers
Biting cold near 43°F 6°C, scattered downpours possible, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
21°F -6°C
Snow
Mid-Afternoon
24°F -4°C
Heavy Snow & Thunder
Early-Evening
18°F -8°C
Heavy Snow Showers
Frigid with highs around 24°F -4°C, on-and-off snow throughout the day, with increasing humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm.
Saturday, October 24, 2026
Mid-Morning
15°F -9°C
Light Fog
Mid-Afternoon
28°F -2°C
Scattered Snow Showers
Early-Evening
17°F -9°C
Sunny
Freezing near 28°F -2°C, periods of blowing snow, with steady humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
19°F -7°C
Cloudy
Mid-Afternoon
35°F 2°C
Overcast
Early-Evening
26°F -4°C
Overcast
Biting cold near 35°F 2°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Monday, October 26, 2026
Mid-Morning
25°F -4°C
Overcast
Mid-Afternoon
36°F 2°C
Overcast
Early-Evening
25°F -4°C
Overcast
Cold with a high near 36°F 2°C, overcast throughout the day, with increasing humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
30°F -1°C
Sunny
Mid-Afternoon
44°F 7°C
Partly Cloudy
Early-Evening
30°F -1°C
Sunny
Nippy around 44°F 7°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure falling.
Wednesday, October 28, 2026
Mid-Morning
31°F 0°C
Light Snow
Mid-Afternoon
40°F 5°C
Sunny
Early-Evening
27°F -3°C
Sunny
Biting cold near 40°F 5°C, scattered morning snow before drying out later, with lower humidity and barometric pressure rising. Winds out of the WNW at 12 mph 19 km/h.
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