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Custer, SD Weather Forecast

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Custer, SD Weather Forecast

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Custer SD weather - Clear - 65°F
Clear
65°F
Updated 10:46 pm
Feels Like 60°F
Humidity 67%
Wind NE 10 mph
Barometer  30.35 in
Dew Point 54°F
Custer SD weather - Clear - 18°C
Clear
18°C
Updated 10:46 pm
Feels Like 16°C
Humidity 67%
Wind NE 16 km/h
Barometer  102.8 kPa
Dew Point 12°C
WX Settings

Custer Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Custer, SD Weather - Rest Of Tonight Partly Cloudy Custer, SD Weather - Saturday Partly Cloudy Custer, SD Weather - Saturday Night Chance Of T-Storm Custer, SD Weather - Sunday Chance Of T-Storm Custer, SD Weather - Sunday Night Chance Of T-Storm Custer, SD Weather - Monday Chance Of T-Storm Custer, SD Weather - Monday Night Chance Of T-Storm Custer, SD Weather - Tuesday Clearing Custer, SD Weather - Tuesday Night Chance Of T-Storm Custer, SD Weather - Wednesday Chance Of T-Storm Custer, SD Weather - Wednesday Night Chance Of T-Storm Custer, SD Weather - Thursday Chance Of T-Storm
Partly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Clearing Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm
Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 55°FLo: 13°C Hi: 80°FHi: 27°C
 Lo: 55°FLo: 13°C Hi: 81°FHi: 27°C
POP: 40% POP: 20% POP: 20% POP: 40% POP: 40% POP: 50% POP: 20% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 842 PM MDT Fri Aug 21 2026 Custer, SD Weather - WeatherWorld.com

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Custer Forecast Discussion

Issued: 521 PM MDT Fri Aug 21 2026

Key Messages

  • Upper ridge will dominate the weather through early next week.
  • Isolated severe thunderstorms may occur late this afternoon/evening in/near the Black Hills to the SD/NE border.
  • Isolated severe thunderstorms may occur over northeastern WY late Saturday afternoon and evening.
  • Temperatures will average about 4-8F above normal.

Discussion

...(This Afternoon Through Thursday) Issued at 1149 AM MDT Fri Aug 21 2026

Current upper-air analysis and water vapor imagery depict large- scale ridging c...