Lost Lake, MT 14 Day Weather

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Lost Lake, MT Weather - 14-Day Weather Forecast

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Lost Lake MT Weather - Clear - 46°F
Clear
46°F
Updated 2:36 am
Feels Like 46°F
Humidity 88%
Wind SE 3 mph
Barometer  30.34 in
Dew Point 43°F
Lost Lake MT Weather - Clear - 8°C
Clear
8°C
Updated 2:36 am
Feels Like 8°C
Humidity 88%
Wind SE 5 km/h
Barometer  102.7 kPa
Dew Point 6°C
Lost Lake, MT Weather and Current Conditionslost lake mt weather forecast

Lost Lake, MT Weather Forecast

Lost Lake Montana WeatherLost Lake, Montana Weather Weather Forecast
14 day API weather forecast for Lost Lake. Note: The 7-day Lost Lake weather forecast is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Lost Lake, MT Weather Forecast Dated: 236 AM Wed Sep 09 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.

Wednesday, September 9, 2026

Mid-Morning
Lost Lake Weather - 2026-09-09 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Lost Lake Weather - 2026-09-09 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Lost Lake Weather - 2026-09-09 - Evening - Partly Cloudy
61°F 16°C
Partly Cloudy
Pleasant near 73°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SW at 7 mph 10 km/h.

Thursday, September 10, 2026

Mid-Morning
Lost Lake Weather - 2026-09-10 - Morning - Overcast
54°F 12°C
Overcast
Mid-Afternoon
Lost Lake Weather - 2026-09-10 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Lost Lake Weather - 2026-09-10 - Evening - Overcast
64°F 17°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SW at 9 mph 14 km/h. Gusts up to 21 mph 33 km/h.

Friday, September 11, 2026

Mid-Morning
Lost Lake Weather - 2026-09-11 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Lost Lake Weather - 2026-09-11 - Afternoon - Overcast
65°F 19°C
Overcast
Early-Evening
Lost Lake Weather - 2026-09-11 - Evening - Overcast
55°F 13°C
Overcast
Comfortable at 65°F 19°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Lost Lake Weather - 2026-09-12 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Lost Lake Weather - 2026-09-12 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Lost Lake Weather - 2026-09-12 - Evening - Overcast
54°F 12°C
Overcast
Cool with a high near 59°F 15°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Sunday, September 13, 2026

Mid-Morning
Lost Lake Weather - 2026-09-13 - Morning - Light Showers
41°F 5°C
Light Showers
Mid-Afternoon
Lost Lake Weather - 2026-09-13 - Afternoon - Scattered Showers
43°F 6°C
Scattered Showers
Early-Evening
Lost Lake Weather - 2026-09-13 - Evening - Scattered Showers
44°F 6°C
Scattered Showers
Biting cold near 43°F 6°C, scattered downpours possible, with steady humidity and barometric pressure rising.

Monday, September 14, 2026

Mid-Morning
Lost Lake Weather - 2026-09-14 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Lost Lake Weather - 2026-09-14 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Lost Lake Weather - 2026-09-14 - Evening - Sunny
55°F 13°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Tuesday, September 15, 2026

Mid-Morning
Lost Lake Weather - 2026-09-15 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Lost Lake Weather - 2026-09-15 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
Lost Lake Weather - 2026-09-15 - Evening - Sunny
61°F 16°C
Sunny
Comfortable with temperatures reaching 71°F 21°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.

Wednesday, September 16, 2026

Mid-Morning
Lost Lake Weather - 2026-09-16 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Lost Lake Weather - 2026-09-16 - Afternoon - Partly Cloudy
71°F 22°C
Partly Cloudy
Early-Evening
Lost Lake Weather - 2026-09-16 - Evening - Sunny
59°F 16°C
Sunny
Enjoyable around 71°F 22°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the ENE to the NNW at 6 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Lost Lake Weather - 2026-09-17 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Lost Lake Weather - 2026-09-17 - Afternoon - Sunny
62°F 16°C
Sunny
Early-Evening
Lost Lake Weather - 2026-09-17 - Evening - Sunny
54°F 12°C
Sunny
Refreshing around 62°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

Friday, September 18, 2026

Mid-Morning
Lost Lake Weather - 2026-09-18 - Morning - Scattered Showers
42°F 6°C
Scattered Showers
Mid-Afternoon
Lost Lake Weather - 2026-09-18 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Lost Lake Weather - 2026-09-18 - Evening - Partly Cloudy
50°F 10°C
Partly Cloudy
Mildly cool near 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Lost Lake Weather - 2026-09-19 - Morning - Light Fog
45°F 7°C
Light Fog
Mid-Afternoon
Lost Lake Weather - 2026-09-19 - Afternoon - Light Showers
50°F 10°C
Light Showers
Early-Evening
Lost Lake Weather - 2026-09-19 - Evening - Light Showers
45°F 7°C
Light Showers
Chilly near 50°F 10°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Lost Lake Weather - 2026-09-20 - Morning - Scattered Showers
39°F 4°C
Scattered Showers
Mid-Afternoon
Lost Lake Weather - 2026-09-20 - Afternoon - Scattered Showers
51°F 11°C
Scattered Showers
Early-Evening
Lost Lake Weather - 2026-09-20 - Evening - Scattered Thunderstorms
45°F 7°C
Scattered Thunderstorms
Crisp with a high near 51°F 11°C, locally heavy downpours at times, with lower humidity and barometric pressure falling.

Monday, September 21, 2026

Mid-Morning
Lost Lake Weather - 2026-09-21 - Morning - Overcast
39°F 4°C
Overcast
Mid-Afternoon
Lost Lake Weather - 2026-09-21 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Lost Lake Weather - 2026-09-21 - Evening - Overcast
53°F 12°C
Overcast
Refreshing around 59°F 15°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Tuesday, September 22, 2026

Mid-Morning
Lost Lake Weather - 2026-09-22 - Morning - Overcast
49°F 9°C
Overcast
Mid-Afternoon
Lost Lake Weather - 2026-09-22 - Afternoon - Scattered Showers
58°F 14°C
Scattered Showers
Early-Evening
Lost Lake Weather - 2026-09-22 - Evening - Scattered Showers
50°F 10°C
Scattered Showers
Mildly cool near 58°F 14°C, scattered downpours possible, with increasing humidity and steady pressure.

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Weather by the Numbers

Wed, 9th
Lost Lake MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 73°F 23°C
Lo: 48°F 9°C
Sunrise 07:08 AM
Sunset 08:02 PM
Wind WSW 2 mph3 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 35%
Thu, 10th
Lost Lake MT Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 75°F 24°C
Lo: 45°F 7°C
Sunrise 07:10 AM
Sunset 08:00 PM
Wind WSW 14 mph22 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 9% *
Humidity 26%
Fri, 11th
Lost Lake MT Weather - Friday, Sep 11, 2026 - Sunny
Hi: 65°F 19°C
Lo: 39°F 4°C
Sunrise 07:11 AM
Sunset 07:58 PM
Wind W 5 mph8 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 29%
Sat, 12th
Lost Lake MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 60°F 16°C
Lo: 42°F 6°C
Sunrise 07:12 AM
Sunset 07:56 PM
Wind E 4 mph6 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 12% *
Humidity 50%
Sun, 13th
Lost Lake MT Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 47°F 8°C
Lo: 40°F 5°C
Sunrise 07:13 AM
Sunset 07:54 PM
Wind NE 2 mph3 km/h
Dew Point 40°F5°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 56% *
Humidity 92%
Mon, 14th
Lost Lake MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 65°F 18°C
Lo: 35°F 1°C
Sunrise 07:15 AM
Sunset 07:52 PM
Wind E 1 mph2 km/h
Dew Point 38°F4°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 50%
Tue, 15th
Lost Lake MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 71°F 21°C
Lo: 39°F 4°C
Sunrise 07:16 AM
Sunset 07:50 PM
Wind E 3 mph4 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 39%
Wed, 16th
Lost Lake MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 71°F 22°C
Lo: 46°F 8°C
Sunrise 07:17 AM
Sunset 07:48 PM
Wind NW 2 mph3 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 1% *
Humidity 42%
Thu, 17th
Lost Lake MT Weather - Thursday, Sep 17, 2026 - Cloudy
Hi: 62°F 16°C
Lo: 40°F 5°C
Sunrise 07:19 AM
Sunset 07:46 PM
Wind NE 5 mph8 km/h
Dew Point 39°F4°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 15% *
Humidity 67%
Fri, 18th
Lost Lake MT Weather - Friday, Sep 18, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 38°F 3°C
Sunrise 07:20 AM
Sunset 07:44 PM
Wind E 4 mph7 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 5% *
Humidity 57%
Sat, 19th
Lost Lake MT Weather - Saturday, Sep 19, 2026 - Light Rain Shower
Hi: 50°F 10°C
Lo: 42°F 5°C
Sunrise 07:21 AM
Sunset 07:42 PM
Wind NNW 3 mph5 km/h
Dew Point 44°F6°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 69% *
Humidity 80%
Sun, 20th
Lost Lake MT Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 51°F 11°C
Lo: 35°F 2°C
Sunrise 07:23 AM
Sunset 07:40 PM
Wind ESE 1 mph1 km/h
Dew Point 39°F4°C
uv Index 2
Barometric Pressure 29.97 in1015 mb
POP 23% *
Humidity 67%
Mon, 21st
Lost Lake MT Weather - Monday, Sep 21, 2026 - Overcast
Hi: 59°F 15°C
Lo: 34°F 1°C
Sunrise 07:24 AM
Sunset 07:38 PM
Wind E 4 mph6 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 57%
Tue, 22nd
Lost Lake MT Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 60°F 15°C
Lo: 45°F 7°C
Sunrise 07:25 AM
Sunset 07:36 PM
Wind SW 2 mph3 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 43%
* POP = Probability of Precipitation. Data for 12:00 PM.