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Poison Lake Weather Warning NWS WEATHER ALERT FOR THE POISON LAKE, SD AREA - Issued: 1117 PM CDT Fri Aug 21 2026 Poison Lake Weather Warning

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Poison Lake, SD Weather - Hour by Hour Forecast

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Poison Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 59°F15°C, dew point 59°F15°C, humidity 100%. Wind direction is WNW at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.
Rest of Tonight - Mostly clear. Near steady temperature in the lower 60s. Northwest winds around 5 mph... Full Forecast
Saturday - Sunny. Highs around 80. North winds 5 to 10 mph... Full Forecast

Poison Lake Hourly Weather

24 Hour Forecast Scroll
Sat, Aug 22
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Poison Lake, SD Hourly Weather - Clear - 3:00 AM Poison Lake, SD Hourly Weather - Clear - 4:00 AM Poison Lake, SD Hourly Weather - Clear - 5:00 AM Poison Lake, SD Hourly Weather - Clear - 6:00 AM Poison Lake, SD Hourly Weather - Clear - 7:00 AM Poison Lake, SD Hourly Weather - Clear - 8:00 AM Poison Lake, SD Hourly Weather - Clear - 9:00 AM Poison Lake, SD Hourly Weather - Clear - 10:00 AM Poison Lake, SD Hourly Weather - Clear - 11:00 AM Poison Lake, SD Hourly Weather - Clear - 12:00 PM Poison Lake, SD Hourly Weather - Clear - 1:00 PM Poison Lake, SD Hourly Weather - Clear - 2:00 PM Poison Lake, SD Hourly Weather - Clear - 3:00 PM Poison Lake, SD Hourly Weather - Clear - 4:00 PM Poison Lake, SD Hourly Weather - Clear - 5:00 PM Poison Lake, SD Hourly Weather - Clear - 6:00 PM Poison Lake, SD Hourly Weather - Clear - 7:00 PM Poison Lake, SD Hourly Weather - Clear - 8:00 PM Poison Lake, SD Hourly Weather - Clear - 9:00 PM Poison Lake, SD Hourly Weather - Clear - 10:00 PM Poison Lake, SD Hourly Weather - Clear - 11:00 PM Poison Lake, SD Hourly Weather - Clear - 12:00 AM Poison Lake, SD Hourly Weather - Clear - 1:00 AM Poison Lake, SD Hourly Weather - Clear - 2:00 AM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
59°F15°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 62°F17°C 66°F19°C 71°F22°C 74°F23°C 76°F24°C 79°F26°C 80°F27°C 80°F27°C 81°F27°C 80°F27°C 78°F26°C 77°F25°C 73°F23°C 69°F21°C 65°F18°C 63°F17°C 61°F16°C 59°F15°C 58°F14°C
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0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
59°F15°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 58°F14°C 60°F16°C 61°F16°C 59°F15°C 58°F14°C 56°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 53°F12°C 53°F12°C 53°F12°C
100% 100% 100% 100% 100% 87% 81% 71% 60% 54% 45% 42% 42% 39% 41% 45% 47% 53% 59% 68% 72% 75% 80% 83%
NW NW NNW NNW N SSW SE NNE SE SW NNW NNW NNW NNW NNW N N SSW SE NE ENE ENE E E
6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 4 mph 4 mph 4 mph 5 mph 5 mph 5 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
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMDS model statistics.

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Prob Precip % = Probability of Precipitation.

Poison Lake 36 Hour Forecast

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

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