Weather Alert
Erwin Weather Warning NWS WEATHER ALERT FOR THE ERWIN, SD AREA - Issued: 414 AM CDT Mon Sep 7 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 - Overcast. Temperature is 75°F24°C, dew point 75°F24°C, humidity 100%. Wind direction is S at 17 mph27 km/h with visibility of 9 mi14 km. Barometric pressure is 29.89 in1012 mb.
Today - Mostly cloudy with a chance of showers and thunderstorms. Breezy with highs in the mid 80s. South winds 20 to 25 mph with gusts up.. Full Forecast
Tonight - Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms aft.. Full Forecast

Erwin Hourly Weather

24 Hour Forecast Scroll
Mon, Sep 07
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Noon
Erwin, SD Hourly Weather - Mostly Cloudy - 1:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 2:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 3:00 PM Erwin, SD Hourly Weather - Mostly Cloudy - 4:00 PM Erwin, SD Hourly Weather - Mostly 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 - Cloudy - 9:00 PM Erwin, SD Hourly Weather - Cloudy - 10:00 PM Erwin, SD Hourly Weather - Cloudy - 11:00 PM Erwin, SD Hourly Weather - Cloudy - 12:00 AM Erwin, SD Hourly Weather - Cloudy - 1:00 AM Erwin, SD Hourly Weather - Cloudy - 2:00 AM Erwin, SD Hourly Weather - Cloudy - 3:00 AM Erwin, SD Hourly Weather - Cloudy - 4:00 AM Erwin, SD Hourly Weather - Cloudy - 5:00 AM Erwin, SD Hourly Weather - Cloudy - 6:00 AM Erwin, SD Hourly Weather - Cloudy - 7:00 AM Erwin, SD Hourly Weather - 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 - Clear - 12:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear
79°F26°C 80°F27°C 82°F28°C 83°F28°C 82°F28°C 82°F28°C 81°F27°C 80°F27°C 80°F27°C 79°F26°C 79°F26°C 79°F26°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 74°F23°C 73°F23°C 72°F22°C 73°F23°C 75°F24°C 76°F24°C 78°F26°C 80°F27°C
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3% 3% 3% 3% 3% 3% 3% 17% 17% 17% 17% 17% 17% 13% 13% 13% 13% 13% 13% 3% 3% 3% 3% 3%
68°F20°C 68°F20°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 65°F18°C 66°F19°C 66°F19°C 64°F18°C 61°F16°C
69% 67% 65% 63% 65% 65% 67% 69% 69% 72% 72% 74% 74% 74% 79% 79% 79% 79% 79% 76% 74% 71% 62% 52%
SSE SSE S S SSE SSE SSE SSE SSE S S S S S S S SSE SW SW SSW W NW NW NW
18 mph 18 mph 20 mph 20 mph 20 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 17 mph 9 mph 9 mph 9 mph 14 mph 14 mph 14 mph 13 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
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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.

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

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