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Simmon Lake Weather Warning NWS WEATHER ALERT FOR THE SIMMON LAKE, SD AREA - Issued: 313 AM CDT Sun Aug 23 2026 Simmon Lake Weather Warning

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Simmon Lake, SD Weather - Hour by Hour Forecast

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Simmon Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 52°F11°C, dew point 49°F9°C, humidity 89%. Wind direction is N at 0 mph0 km/h with visibility of N/A mi0 km. Barometric pressure is 30.13 in1020 mb.
Today - Mostly sunny. Highs around 80. Southeast winds 5 to 10 mph with gusts up to 20 mph... Full Forecast
Tonight - Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Southeast .. Full Forecast

Simmon Lake Hourly Weather

24 Hour Forecast Scroll
Sun, Aug 23
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Midnight
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Simmon Lake, SD Hourly Weather - Clear - 4:00 AM Simmon Lake, SD Hourly Weather - Clear - 5:00 AM Simmon Lake, SD Hourly Weather - Clear - 6:00 AM Simmon Lake, SD Hourly Weather - Clear - 7:00 AM Simmon Lake, SD Hourly Weather - Clear - 8:00 AM Simmon Lake, SD Hourly Weather - Clear - 9:00 AM Simmon Lake, SD Hourly Weather - Clear - 10:00 AM Simmon Lake, SD Hourly Weather - Clear - 11:00 AM Simmon Lake, SD Hourly Weather - Clear - 12:00 PM Simmon Lake, SD Hourly Weather - Clear - 1:00 PM Simmon Lake, SD Hourly Weather - Clear - 2:00 PM Simmon Lake, SD Hourly Weather - Clear - 3:00 PM Simmon Lake, SD Hourly Weather - Clear - 4:00 PM Simmon Lake, SD Hourly Weather - Clear - 5:00 PM Simmon Lake, SD Hourly Weather - Clear - 6:00 PM Simmon Lake, SD Hourly Weather - Clear - 7:00 PM Simmon Lake, SD Hourly Weather - Clear - 8:00 PM Simmon Lake, SD Hourly Weather - Mostly Cloudy - 9:00 PM Simmon Lake, SD Hourly Weather - Mostly Cloudy - 10:00 PM Simmon Lake, SD Hourly Weather - Mostly Cloudy - 11:00 PM Simmon Lake, SD Hourly Weather - Cloudy - 12:00 AM Simmon Lake, SD Hourly Weather - Cloudy - 1:00 AM Simmon Lake, SD Hourly Weather - Cloudy - 2:00 AM Simmon Lake, SD Hourly Weather - Cloudy - 3:00 AM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy
53°F12°C 53°F12°C 52°F11°C 52°F11°C 58°F14°C 64°F18°C 70°F21°C 73°F23°C 75°F24°C 78°F26°C 79°F26°C 79°F26°C 80°F27°C 79°F26°C 79°F26°C 78°F26°C 74°F23°C 70°F21°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 65°F18°C
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0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 4% 4% 4% 4% 4% 4% 17% 17%
49°F9°C 49°F9°C 48°F9°C 48°F9°C 50°F10°C 52°F11°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C 51°F11°C 52°F11°C 53°F12°C 54°F12°C 55°F13°C 56°F13°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 59°F15°C
86% 86% 86% 86% 75% 65% 57% 50% 46% 40% 38% 38% 35% 38% 39% 42% 50% 59% 70% 73% 73% 75% 75% 81%
S S S S S SSE SSE SSE S S S SSE SSE SSE SE SE SE SE SE SSE SSE SSE SSE SSE
2 mph 2 mph 3 mph 3 mph 3 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 5 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
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POP = Probability of Precipitation. ** Indicates missing data/values from K8D3 model statistics.

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Prob Precip % = Probability of Precipitation.

Simmon Lake 36 Hour Forecast

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

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