Weather Alert
Johnson Lake Weather Warning NWS WEATHER ALERT FOR THE JOHNSON LAKE, SD AREA - Issued: 435 AM CDT Sun Sep 20 2026 Johnson Lake Weather Warning

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Johnson Lake, SD Weather - Hour by Hour Forecast

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Johnson Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 61°F16°C, dew point 55°F13°C, humidity 80%. Wind direction is NE at 15 mph24 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.
Tonight - Cloudy. Scattered showers this evening, then numerous showers after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph... Full Forecast
Monday - Cloudy. Showers likely in the morning. Highs in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 70 p.. Full Forecast

Johnson Lake Hourly Weather

24 Hour Forecast Scroll
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Johnson Lake, SD Hourly Weather - Cloudy - 6:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 7:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 8:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 9:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 10:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 11:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 12:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 1:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 2:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 3:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 4:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 5:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 6:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 7:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 8:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 9:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 10:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 11:00 AM Johnson Lake, SD Hourly Weather - Cloudy - 12:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 1:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 2:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 3:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 4:00 PM Johnson Lake, SD Hourly Weather - Cloudy - 5:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
62°F17°C 61°F16°C 60°F16°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C 50°F10°C 51°F11°C 51°F11°C 51°F11°C 52°F11°C 52°F11°C 51°F11°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
52% 52% 80% 80% 80% 80% 80% 80% 72% 72% 72% 72% 72% 72% 56% 56% 56% 56% 56% 56% 46% 46% 46% 46%
55°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C 50°F10°C 49°F9°C 49°F9°C 50°F10°C 50°F10°C 50°F10°C 50°F10°C 50°F10°C 50°F10°C
78% 81% 84% 87% 90% 90% 93% 93% 93% 93% 93% 96% 93% 96% 96% 96% 96% 96% 96% 96% 96% 93% 93% 96%
ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE E E E ENE ENE ENE
8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 mph
6 mi10 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KBKX model statistics.

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Prob Precip % = Probability of Precipitation.

Johnson Lake 36 Hour Forecast

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

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