Marcus, SD Weather Forecast

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Marcus, SD Weather Forecast

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Marcus SD weather  - Clear - 80°F
Clear
80°F
Updated 8:05 pm
Feels Like 77°F
Humidity 58%
Wind ESE 12 mph
Barometer  29.94 in
Dew Point 64°F
Marcus SD weather  - Clear - 27°C
Clear
27°C
Updated 8:05 pm
Feels Like 25°C
Humidity 58%
Wind ESE 19 km/h
Barometer  101.4 kPa
Dew Point 18°C

Marcus Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Marcus, SD Weather - Tonight Chance Of T-Storm Marcus, SD Weather - Sunday Mostly Sunny Marcus, SD Weather - Sunday Night Chance Of T-Storm Marcus, SD Weather - Labor Day Chance Of T-Storm Marcus, SD Weather - Monday Night Clearing Marcus, SD Weather - Tuesday Sunny Marcus, SD Weather - Tuesday Night Clear Marcus, SD Weather - Wednesday Mostly Sunny Marcus, SD Weather - Wednesday Night Mostly Clear Marcus, SD Weather - Thursday Mostly Sunny Marcus, SD Weather - Thursday Night Partly Cloudy Marcus, SD Weather - Friday Mostly Sunny
Chance of T-Storm Mostly Sunny Chance of T-Storm Chance of T-Storm Clearing Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny
Lo: 65°FLo: 18°C Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C Hi: 91°FHi: 33°C
Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
Lo: 51°FLo: 11°C Hi: 81°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 89°FHi: 32°C
Lo: 55°FLo: 13°C Hi: 89°FHi: 32°C
POP: 30% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 712 PM MDT Sat Sep 05 2026 Marcus, SD Weather - WeatherWorld.com

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Issued: 526 PM MDT Sat Sep 5 2026

Key Messages

  • Above average temperatures remain in the forecast. The hottest day will be today with highs in the mid to upper 90s with 80s and 90s expected Sunday and Monday.
  • Elevated fire weather conditions are expected through the weekend.
  • Isolated to scattered thunderstorms are expected through Sunday, focusing on this evening and Sunday afternoon/evening

Discussion

...(This Afternoon Through Friday) Issued at 1139 AM MDT Sat Sep 5 2026

For the rest of today, isolated storms are drifting northward...