Weather Alert
St. Mary's Lake Weather Warning NWS WEATHER ALERT FOR THE SAINT MARYS LAKE, ND AREA - Issued: 343 PM CDT Mon Aug 3 2026 St. Mary's Lake Weather Warning

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St. Mary's Lake, ND Weather - Hour by Hour Forecast

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St. Mary's Lake, ND Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 55°F13°C, dew point 50°F10°C, humidity 83%. Wind direction is NW at 12 mph19 km/h with visibility of 10 mi16 km. Barometric pressure is 29.98 in1015 mb.
Rest of Tonight - Partly cloudy. Patchy smoke after midnight. Lows 50 to 55. Northwest winds 10 to 20 mph with gusts to around 30 mph... Full Forecast
Tuesday - Sunny. Highs in the mid 70s. Northwest winds 5 to 15 mph. Gusts up to 25 mph in the morning... Full Forecast

St. Mary's Lake Hourly Weather

24 Hour Forecast Scroll
Tue, Aug 04
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Noon
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Midnight
St. Mary's Lake, ND Hourly Weather - Mostly Cloudy - 1:00 AM St. Mary's Lake, ND Hourly Weather - Mostly Cloudy - 2:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 3:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 4:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 5:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 6:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 7:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 8:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 9:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 10:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 11:00 AM St. Mary's Lake, ND Hourly Weather - Clear - 12:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 1:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 2:00 PM St. Mary's Lake, ND Hourly Weather - Partly Cloudy - 3:00 PM St. Mary's Lake, ND Hourly Weather - Partly Cloudy - 4:00 PM St. Mary's Lake, ND Hourly Weather - Partly Cloudy - 5:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 6:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 7:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 8:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 9:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 10:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 11:00 PM St. Mary's Lake, ND Hourly Weather - Clear - 12:00 AM
Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Clear Clear Clear Clear
56°F13°C 55°F13°C 53°F12°C 52°F11°C 52°F11°C 52°F11°C 52°F11°C 56°F13°C 61°F16°C 65°F18°C 67°F19°C 69°F21°C 71°F22°C 72°F22°C 72°F22°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 67°F19°C 63°F17°C 59°F15°C 58°F14°C 56°F13°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0%
48°F9°C 47°F8°C 47°F8°C 46°F8°C 46°F8°C 46°F8°C 46°F8°C 47°F8°C 47°F8°C 48°F9°C 47°F8°C 46°F8°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 44°F7°C 45°F7°C 45°F7°C 45°F7°C
74% 74% 80% 80% 80% 80% 80% 72% 60% 54% 49% 44% 39% 37% 37% 34% 35% 34% 35% 42% 50% 60% 62% 66%
NW NW NW WNW WNW WNW WNW NW NW NW NW NW NW NW WNW WNW WNW WNW WNW SSW SSW SW SW SW
14 mph 14 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 13 mph 13 mph 13 mph 13 mph 13 mph 13 mph 12 mph 12 mph 12 mph 10 mph 10 mph 10 mph 2 mph 2 mph 2 mph 4 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 (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KJMS model statistics.

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Prob Precip % = Probability of Precipitation.

St. Mary's Lake 36 Hour Forecast

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

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