Weather Alert
Island Lake Weather Warning NWS WEATHER ALERT FOR THE ISLAND LAKE, SD AREA - Issued: 531 AM CDT Thu Aug 27 2026 Island Lake Weather Warning

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Island Lake, SD Weather - Hour by Hour Forecast

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Island Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 60°F16°C, dew point 62°F17°C, humidity 106%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.15 in1020 mb.
Today - Sunny. Highs in the lower 80s. Northwest winds around 5 mph... Full Forecast
Tonight - Mostly clear. Lows in the mid 50s. Northeast winds around 5 mph, becoming east after midnight... Full Forecast

Island Lake Hourly Weather

24 Hour Forecast Scroll
Thu, Aug 27
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Midnight
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Island Lake, SD Hourly Weather - Clear - 8:00 AM Island Lake, SD Hourly Weather - Clear - 9:00 AM Island Lake, SD Hourly Weather - Clear - 10:00 AM Island Lake, SD Hourly Weather - Clear - 11:00 AM Island Lake, SD Hourly Weather - Clear - 12:00 PM Island Lake, SD Hourly Weather - Clear - 1:00 PM Island Lake, SD Hourly Weather - Clear - 2:00 PM Island Lake, SD Hourly Weather - Clear - 3:00 PM Island Lake, SD Hourly Weather - Clear - 4:00 PM Island Lake, SD Hourly Weather - Clear - 5:00 PM Island Lake, SD Hourly Weather - Clear - 6:00 PM Island Lake, SD Hourly Weather - Clear - 7:00 PM Island Lake, SD Hourly Weather - Clear - 8:00 PM Island Lake, SD Hourly Weather - Clear - 9:00 PM Island Lake, SD Hourly Weather - Clear - 10:00 PM Island Lake, SD Hourly Weather - Clear - 11:00 PM Island Lake, SD Hourly Weather - Clear - 12:00 AM Island Lake, SD Hourly Weather - Clear - 1:00 AM Island Lake, SD Hourly Weather - Clear - 2:00 AM Island Lake, SD Hourly Weather - Clear - 3:00 AM Island Lake, SD Hourly Weather - Clear - 4:00 AM Island Lake, SD Hourly Weather - Clear - 5:00 AM Island Lake, SD Hourly Weather - Clear - 6:00 AM Island Lake, SD Hourly Weather - Clear - 7:00 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
61°F16°C 66°F19°C 70°F21°C 73°F23°C 75°F24°C 78°F26°C 79°F26°C 80°F27°C 81°F27°C 79°F26°C 78°F26°C 76°F24°C 72°F22°C 69°F21°C 65°F18°C 64°F18°C 62°F17°C 61°F16°C 60°F16°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C
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0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1%
57°F14°C 59°F15°C 60°F16°C 58°F14°C 57°F14°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C
87% 78% 71% 59% 54% 45% 44% 42% 41% 44% 45% 48% 57% 63% 75% 78% 81% 84% 87% 87% 90% 90% 90% 90%
NW NW NW NNW NNW N NNW NNW NNW NNW NNW NNW SSW SSE ENE ESE SSE SW SSE S S S S S
3 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 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.

Island Lake 36 Hour Forecast

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

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