Weather Alert
Lewis Reservoir Weather Warning NWS WEATHER ALERT FOR THE LEWIS RESERVOIR, MT AREA - WIND ADVISORY Issued: 1029 AM MDT Wed Aug 5 2026 Lewis Reservoir Weather Warning

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Lewis Reservoir, MT Weather - Hour by Hour Forecast

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Lewis Reservoir, MT Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 62°F17°C, dew point 41°F5°C, humidity 45%. Wind direction is SSE at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 29.9 in1013 mb.
Rest of Tonight - Mostly cloudy. Lows in the mid 50s. Southeast wind around 5 mph... Full Forecast
Thursday - Sunny, hazy, breezy with highs in the upper 80s. Southwest wind 10 to 15 mph, becoming northwest 15 to 25 mph with gusts up to 35 .. Full Forecast

Lewis Reservoir Hourly Weather

24 Hour Forecast Scroll
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Midnight
Lewis Reservoir, MT Hourly Weather - Mostly Clear - 1:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 2:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 3:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 4:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 5:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 6:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 7:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 8:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 9:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 10:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 11:00 AM Lewis Reservoir, MT Hourly Weather - Clear - 12:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 1:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 2:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 3:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 4:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 5:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 6:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 7:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 8:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 9:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 10:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 11:00 PM Lewis Reservoir, MT Hourly Weather - Clear - 12:00 AM
Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
63°F17°C 61°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 63°F17°C 67°F19°C 72°F22°C 76°F24°C 81°F27°C 85°F29°C 86°F30°C 88°F31°C 89°F32°C 88°F31°C 86°F30°C 85°F29°C 81°F27°C 77°F25°C 73°F23°C 70°F21°C 67°F19°C 64°F18°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0%
40°F4°C 41°F5°C 41°F5°C 41°F5°C 41°F5°C 41°F5°C 42°F6°C 44°F7°C 45°F7°C 45°F7°C 45°F7°C 45°F7°C 44°F7°C 44°F7°C 43°F6°C 43°F6°C 42°F6°C 42°F6°C 43°F6°C 43°F6°C 44°F7°C 44°F7°C 45°F7°C 45°F7°C
43% 48% 49% 51% 51% 53% 46% 43% 38% 33% 28% 25% 23% 22% 20% 21% 21% 22% 26% 30% 35% 39% 45% 50%
E ESE SE SE SE SE SSE S SW SSW W NW NW NW NW NNW NNW NNW SW SE N NNE NNE NE
6 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 13 mph 13 mph 13 mph 19 mph 19 mph 19 mph 18 mph 18 mph 18 mph 13 mph 13 mph 13 mph 9 mph 9 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (MDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KGGW model statistics.

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Prob Precip % = Probability of Precipitation.

Lewis Reservoir 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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