Weather Alert
Union School Weather Warning NWS WEATHER ALERT FOR THE UNION SCHOOL, SD AREA - DENSE FOG ADVISORY Issued: 648 AM MDT Thu Sep 17 2026 Union School Weather Warning

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Union School, SD Weather - Hour by Hour Forecast

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Union School, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 47°F8°C, dew point 44°F7°C, humidity 89%. Wind direction is N at 0 mph0 km/h with visibility of N/A mi0 km. Barometric pressure is 30.26 in1024 mb.
Morning - Partly cloudy. Near steady temperature around 50. Northeast winds 5 to 10 mph... Full Forecast
Today - Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 30 mph... Full Forecast

Union School Hourly Weather

24 Hour Forecast Scroll
Thu, Sep 17
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Union School, SD Hourly Weather - Clear - 8:00 AM Union School, SD Hourly Weather - Partly Cloudy - 9:00 AM Union School, SD Hourly Weather - Partly Cloudy - 10:00 AM Union School, SD Hourly Weather - Partly Cloudy - 11:00 AM Union School, SD Hourly Weather - Mostly Cloudy - 12:00 PM Union School, SD Hourly Weather - Mostly Cloudy - 1:00 PM Union School, SD Hourly Weather - Mostly Cloudy - 2:00 PM Union School, SD Hourly Weather - Cloudy - 3:00 PM Union School, SD Hourly Weather - Cloudy - 4:00 PM Union School, SD Hourly Weather - Cloudy - 5:00 PM Union School, SD Hourly Weather - Cloudy - 6:00 PM Union School, SD Hourly Weather - Cloudy - 7:00 PM Union School, SD Hourly Weather - Cloudy - 8:00 PM Union School, SD Hourly Weather - Cloudy - 9:00 PM Union School, SD Hourly Weather - Cloudy - 10:00 PM Union School, SD Hourly Weather - Cloudy - 11:00 PM Union School, SD Hourly Weather - Cloudy - 12:00 AM Union School, SD Hourly Weather - Cloudy - 1:00 AM Union School, SD Hourly Weather - Cloudy - 2:00 AM Union School, SD Hourly Weather - Cloudy - 3:00 AM Union School, SD Hourly Weather - Cloudy - 4:00 AM Union School, SD Hourly Weather - Cloudy - 5:00 AM Union School, SD Hourly Weather - Cloudy - 6:00 AM Union School, SD Hourly Weather - Cloudy - 7:00 AM
Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
55°F13°C 56°F13°C 58°F14°C 62°F17°C 65°F18°C 69°F21°C 70°F21°C 72°F22°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 68°F20°C 66°F19°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C
- - - - - - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
0% 0% 0% 0% 0% 0% 13% 13% 13% 13% 13% 13% 55% 55% 55% 55% 55% 55% 33% 33% 33% 33% 33% 33%
45°F7°C 46°F8°C 47°F8°C 48°F9°C 49°F9°C 50°F10°C 50°F10°C 51°F11°C 51°F11°C 52°F11°C 52°F11°C 53°F12°C 54°F12°C 55°F13°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C
69% 69% 67% 60% 56% 51% 49% 48% 46% 49% 49% 53% 61% 68% 78% 81% 84% 87% 87% 90% 90% 90% 93% 93%
ENE E SE SE SE SE SE SE SSE SSE SSE SSE SSE SE SE SE SE SE SE SE SE ESE E E
5 mph 9 mph 9 mph 9 mph 16 mph 16 mph 16 mph 19 mph 19 mph 19 mph 13 mph 13 mph 13 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 7 mph 7 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 6 mi10 km 6 mi10 km 5 mi8 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 K2WX model statistics.

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Prob Precip % = Probability of Precipitation.

Union School 36 Hour Forecast

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

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