Weather Alert
Letcher Lake Weather Warning NWS WEATHER ALERT FOR THE LETCHER LAKE, SD AREA - Issued: 327 AM CDT Sun Aug 16 2026 Letcher Lake Weather Warning

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Letcher Lake, SD Weather - Hour by Hour Forecast

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Letcher Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 62°F17°C, dew point 61°F16°C, humidity 96%. Wind direction is NW at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.14 in1020 mb.
Today - Mostly sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph... Full Forecast
Tonight - Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph, becoming southeast after.. Full Forecast

Letcher Lake Hourly Weather

24 Hour Forecast Scroll
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Letcher Lake, SD Hourly Weather - Mostly Cloudy - 4:00 AM Letcher Lake, SD Hourly Weather - Mostly Cloudy - 5:00 AM Letcher Lake, SD Hourly Weather - Mostly Cloudy - 6:00 AM Letcher Lake, SD Hourly Weather - Mostly Cloudy - 7:00 AM Letcher Lake, SD Hourly Weather - Mostly Cloudy - 8:00 AM Letcher Lake, SD Hourly Weather - Clear - 9:00 AM Letcher Lake, SD Hourly Weather - Clear - 10:00 AM Letcher Lake, SD Hourly Weather - Clear - 11:00 AM Letcher Lake, SD Hourly Weather - Clear - 12:00 PM Letcher Lake, SD Hourly Weather - Clear - 1:00 PM Letcher Lake, SD Hourly Weather - Clear - 2:00 PM Letcher Lake, SD Hourly Weather - Mostly Clear - 3:00 PM Letcher Lake, SD Hourly Weather - Mostly Clear - 4:00 PM Letcher Lake, SD Hourly Weather - Mostly Clear - 5:00 PM Letcher Lake, SD Hourly Weather - Clear - 6:00 PM Letcher Lake, SD Hourly Weather - Clear - 7:00 PM Letcher Lake, SD Hourly Weather - Clear - 8:00 PM Letcher Lake, SD Hourly Weather - Clear - 9:00 PM Letcher Lake, SD Hourly Weather - Clear - 10:00 PM Letcher Lake, SD Hourly Weather - Clear - 11:00 PM Letcher Lake, SD Hourly Weather - Partly Cloudy - 12:00 AM Letcher Lake, SD Hourly Weather - Partly Cloudy - 1:00 AM Letcher Lake, SD Hourly Weather - Partly Cloudy - 2:00 AM Letcher Lake, SD Hourly Weather - Partly Cloudy - 3:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
66°F19°C 65°F18°C 65°F18°C 64°F18°C 67°F19°C 69°F21°C 72°F22°C 75°F24°C 77°F25°C 80°F27°C 82°F28°C 83°F28°C 85°F29°C 84°F29°C 84°F29°C 83°F28°C 79°F26°C 76°F24°C 72°F22°C 71°F22°C 69°F21°C 68°F20°C 67°F19°C 67°F19°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 6% 6%
62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C
87% 90% 87% 90% 81% 78% 71% 64% 58% 52% 47% 46% 42% 43% 43% 44% 52% 58% 68% 71% 76% 78% 81% 78%
NNW NNW NW NW NNW NNW N N NNW NNW NNW NNW NW NW NW NW NW NW NW W SSW SW SSE SSE
6 mph 6 mph 5 mph 5 mph 5 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 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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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMHE model statistics.

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Prob Precip % = Probability of Precipitation.

Letcher Lake 36 Hour Forecast

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

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