Weather Alert
Erwin Weather Warning NWS WEATHER ALERT FOR THE ERWIN, SD AREA - Issued: 352 AM CDT Fri Oct 23 2026 Erwin Weather Warning

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Erwin, SD Weather - Hour by Hour Forecast

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Erwin, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 71°F22°C, dew point 46°F8°C, humidity 40%. Wind direction is SSE at 26 mph42 km/h with visibility of 10 mi16 km. Barometric pressure is 29.87 in1011 mb.
Today - Mostly cloudy and windy. Highs in the upper 70s. South winds 25 to 30 mph with gusts up to 45 mph... Full Forecast
Tonight - Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Breezy with low.. Full Forecast

Erwin Hourly Weather

24 Hour Forecast Scroll
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Erwin, SD Hourly Weather - Mostly Cloudy - 2:00 PM Erwin, SD Hourly Weather - Partly Cloudy - 3:00 PM Erwin, SD Hourly Weather - Partly Cloudy - 4:00 PM Erwin, SD Hourly Weather - Partly Cloudy - 5:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 6:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 7:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 8:00 PM Erwin, SD Hourly Weather - Clear - 9:00 PM Erwin, SD Hourly Weather - Clear - 10:00 PM Erwin, SD Hourly Weather - Clear - 11:00 PM Erwin, SD Hourly Weather - Clear - 12:00 AM Erwin, SD Hourly Weather - Clear - 1:00 AM Erwin, SD Hourly Weather - Clear - 2:00 AM Erwin, SD Hourly Weather - Partly Cloudy - 3:00 AM Erwin, SD Hourly Weather - Partly Cloudy - 4:00 AM Erwin, SD Hourly Weather - Partly Cloudy - 5:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 6:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 7:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 8:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 9:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 10:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 11:00 AM Erwin, SD Hourly Weather - Mostly Cloudy - 12:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 1:00 PM
Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
72°F22°C 73°F23°C 74°F23°C 72°F22°C 70°F21°C 68°F20°C 66°F19°C 65°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 59°F15°C 58°F14°C 56°F13°C 55°F13°C 53°F12°C 52°F11°C 52°F11°C 53°F12°C 53°F12°C 54°F12°C 56°F13°C 57°F14°C
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2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 8% 8% 8% 8% 8% 8% 22% 22% 22% 22% 22% 22%
53°F12°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 53°F12°C 53°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 50°F10°C 48°F9°C 47°F8°C 47°F8°C 46°F8°C 46°F8°C 45°F7°C 44°F7°C 43°F6°C
51% 50% 48% 51% 55% 59% 63% 68% 72% 75% 72% 75% 78% 80% 83% 83% 83% 83% 83% 77% 77% 72% 64% 59%
SSE SSE SSE SSE SSE SSE SSE S S S S S S S S SSE SW SSW SSW WNW NW NW NW NW
22 mph 22 mph 22 mph 22 mph 21 mph 21 mph 21 mph 21 mph 21 mph 21 mph 18 mph 18 mph 18 mph 15 mph 15 mph 15 mph 13 mph 13 mph 13 mph 15 mph 15 mph 15 mph 16 mph 16 mph
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Hour (CDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KATY model statistics.

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Prob Precip % = Probability of Precipitation.

Erwin 36 Hour Forecast

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

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