Winner, SD Weather Forecast

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Winner SD weather  - Thunder - 75°F
Thunder
75°F
Updated 2:21 pm
Feels Like 84°F
Humidity 87%
Wind ESE 9 mph
Barometer  29.86 in
Dew Point 71°F
Winner SD weather  - Thunder - 24°C
Thunder
24°C
Updated 2:21 pm
Feels Like 29°C
Humidity 87%
Wind ESE 14 km/h
Barometer  101.1 kPa
Dew Point 22°C

Winner Weather Forecast

THIS AFTERNOON TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
Winner, SD Weather - This Afternoon Chance Of T-Storm Winner, SD Weather - Tonight Chance Of T-Storm Winner, SD Weather - Tuesday Clearing Winner, SD Weather - Tuesday Night Chance Of Showers Winner, SD Weather - Wednesday Mostly Sunny Winner, SD Weather - Wednesday Night Clear Winner, SD Weather - Thursday Sunny Winner, SD Weather - Thursday Night Mostly Clear Winner, SD Weather - Friday Mostly Sunny Winner, SD Weather - Friday Night Clear Winner, SD Weather - Saturday Clearing Winner, SD Weather - Saturday Night Chance Of T-Storm
Chance of T-Storm Chance of T-Storm Clearing Chance of Showers Mostly Sunny Clear Sunny Mostly Clear Mostly Sunny Clear Clearing Chance of T-Storm
Hi: 90°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 40% POP: 50% POP: 20% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1242 PM CDT Mon Sep 07 2026 Winner, SD Weather - WeatherWorld.com

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Issued: 1116 AM MDT Mon Sep 7 2026

Key Messages

  • Critical fire weather conditions over parts of northeastern Wyoming and extreme southwestern South Dakota late Monday morning through early Monday evening
  • Above average temperatures remain in the start of the forecast. Afternoon temps will be in the upper 80s to 90s for Monday but cooler temps expected midweek.
  • Elevated to potentially critical fire weather conditions linger for much of next week
  • Isolated to scattered thunderstorms are expected through Monday morning.

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