Erwin, SD Weather Forecast

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Erwin, SD Weather Forecast

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Erwin SD weather  - Clear - 68°F
Clear
68°F
Updated 9:50 pm
Feels Like 69°F
Humidity 100%
Wind ESE 10 mph
Barometer  30.01 in
Dew Point 68°F
Erwin SD weather  - Clear - 20°C
Clear
20°C
Updated 9:50 pm
Feels Like 21°C
Humidity 100%
Wind ESE 16 km/h
Barometer  101.6 kPa
Dew Point 20°C

Erwin Weather Forecast

TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Erwin, SD Weather - Tonight Partly Cloudy Erwin, SD Weather - Labor Day Chance Of T-Storm Erwin, SD Weather - Monday Night Chance Of T-Storm Erwin, SD Weather - Tuesday Clearing Erwin, SD Weather - Tuesday Night Mostly Clear Erwin, SD Weather - Wednesday Sunny Erwin, SD Weather - Wednesday Night Mostly Clear Erwin, SD Weather - Thursday Sunny Erwin, SD Weather - Thursday Night Mostly Clear Erwin, SD Weather - Friday Sunny Erwin, SD Weather - Friday Night Mostly Clear Erwin, SD Weather - Saturday Mostly Sunny
Partly Cloudy Chance of T-Storm Chance of T-Storm Clearing Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Mostly Sunny
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 81°FHi: 27°C
Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
POP: 20% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 714 PM CDT Sun Sep 06 2026 Erwin, SD Weather - WeatherWorld.com

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Issued: 939 PM CDT Sun Sep 6 2026

Key Messages

  • Scattered showers and thunderstorms will continue for areas south of I-90 through the evening. Showers should remain below severe criteria.
  • Isolated to scattered morning showers are possible along and north of I-90. These are not expected to be severe.
  • Isolated strong to severe storms will again be possible late Monday afternoon into Tuesday morning. Large hail up to the size of a ping-pong ball, wind gusts of 60 mph, heavy rain are all possible. Though the risk is low, an isolated t...