Weather WorldJames Lake, MT 14 Day Weather
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James Lake, MT Weather Forecast
James Lake, MT Weather Forecast Dated: 330 AM Fri Sep 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.
Friday, September 18, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Nearby Thunderstorms
Early-Evening
56°F 13°C
Rain
Pleasant near 73°F 23°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
52°F 11°C
Light Showers
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
55°F 13°C
Scattered Showers
Mildly cool near 61°F 16°C, scattered downpours possible, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 68°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
63°F 18°C
Sunny
Mild temperatures up to 73°F 23°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the E to the WSW at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
58°F 14°C
Sunny
Mild with a high of 71°F 22°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds switching from the WNW to the W at 6 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
60°F 16°C
Sunny
Pleasant near 69°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 78°F 26°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
67°F 20°C
Sunny
Enjoyable around 78°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
51°F 10°C
Light Showers
Mid-Afternoon
41°F 5°C
Light Showers
Early-Evening
39°F 4°C
Light Showers
Cold with a high near 41°F 5°C, on-and-off showers throughout the day, with steady humidity and barometric pressure rising. Winds moving from the W to the WSW at 6 mph 9 km/h.
Sunday, September 27, 2026
Mid-Morning
38°F 3°C
Cloudy
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
43°F 7°C
Scattered Showers
Cool and brisk at 47°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the SW to the WSW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 28, 2026
Mid-Morning
41°F 5°C
Light Showers
Mid-Afternoon
42°F 6°C
Light Showers
Early-Evening
43°F 6°C
Scattered Showers
Biting cold near 42°F 6°C, scattered downpours possible, with steady humidity and barometric pressure rising.
Tuesday, September 29, 2026
Mid-Morning
40°F 5°C
Scattered Showers
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
40°F 4°C
Scattered Showers
Crisp with a high near 47°F 8°C, locally heavy downpours at times, with lower humidity and barometric pressure rising.
Wednesday, September 30, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
45°F 8°C
Sunny
Brisk around 52°F 11°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, October 1, 2026
Mid-Morning
38°F 3°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
52°F 11°C
Sunny
Mildly cool near 60°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling.
James Lake, MT Weather Radar Map
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