Weather Alert
Lake Thompson Weather Warning NWS WEATHER ALERT FOR THE LAKE THOMPSON, SD AREA - Issued: 352 AM CDT Fri Aug 14 2026 Lake Thompson Weather Warning

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Lake Thompson, SD Weather - Hour by Hour Forecast

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Lake Thompson, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mist. Temperature is 71°F22°C, dew point 71°F22°C, humidity 100%. Wind direction is ESE at 6 mph10 km/h with visibility of 2 1/2 mi3 km. Barometric pressure is 30 in1015 mb.
Tonight - Mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph... Full Forecast
Saturday - Cloudy in the morning, then becoming partly sunny. Areas of fog in the morning. A slight chance of thunderstorms. A chance of show.. Full Forecast

Lake Thompson Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 14
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Lake Thompson, SD Hourly Weather - Mostly Cloudy - 9:00 PM Lake Thompson, SD Hourly Weather - Mostly Cloudy - 10:00 PM Lake Thompson, SD Hourly Weather - Mostly Cloudy - 11:00 PM Lake Thompson, SD Hourly Weather - Partly Cloudy - 12:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 1:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 2:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 3:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 4:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 5:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 6:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 7:00 AM Lake Thompson, SD Hourly Weather - Partly Cloudy - 8:00 AM Lake Thompson, SD Hourly Weather - Clear - 9:00 AM Lake Thompson, SD Hourly Weather - Clear - 10:00 AM Lake Thompson, SD Hourly Weather - Clear - 11:00 AM Lake Thompson, SD Hourly Weather - Mostly Clear - 12:00 PM Lake Thompson, SD Hourly Weather - Mostly Clear - 1:00 PM Lake Thompson, SD Hourly Weather - Mostly Clear - 2:00 PM Lake Thompson, SD Hourly Weather - Mostly Clear - 3:00 PM Lake Thompson, SD Hourly Weather - Mostly Clear - 4:00 PM Lake Thompson, SD Hourly Weather - Mostly Clear - 5:00 PM Lake Thompson, SD Hourly Weather - Clear - 6:00 PM Lake Thompson, SD Hourly Weather - Clear - 7:00 PM Lake Thompson, SD Hourly Weather - Clear - 8:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear
72°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 64°F18°C 67°F19°C 70°F21°C 72°F22°C 74°F23°C 76°F24°C 77°F25°C 79°F26°C 80°F27°C 79°F26°C 79°F26°C 78°F26°C 75°F24°C
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3% 3% 3% 3% 3% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 2% 2% 2% 2% 2% 2% 0%
70°F21°C 70°F21°C 69°F21°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 62°F17°C 63°F17°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 60°F16°C 60°F16°C 60°F16°C
93% 100% 100% 97% 97% 97% 100% 100% 100% 100% 100% 93% 87% 81% 73% 66% 60% 56% 52% 49% 50% 52% 54% 60%
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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
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Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KMDS model statistics.

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Prob Precip % = Probability of Precipitation.

Lake Thompson 36 Hour Forecast

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

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