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Rapid City, SD Weather Forecast

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Rapid City, SD Weather Forecast

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Rapid City SD weather - Clear - 51°F
Clear
51°F
Updated 5:47 am
Feels Like 55°F
Humidity 89%
Wind S 3 mph
Barometer  29.99 in
Dew Point 48°F
Rapid City SD weather - Clear - 11°C
Clear
11°C
Updated 5:47 am
Feels Like 13°C
Humidity 89%
Wind S 5 km/h
Barometer  101.6 kPa
Dew Point 9°C
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Rapid City Weather Forecast

EARLY THIS MORNING TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Rapid City, SD Weather - Early This Morning Mostly Clear Rapid City, SD Weather - Today Mostly Sunny Rapid City, SD Weather - Tonight Partly Cloudy Rapid City, SD Weather - Tuesday Chance Of T-Storm Rapid City, SD Weather - Tuesday Night Partly Cloudy Rapid City, SD Weather - Wednesday Mostly Sunny Rapid City, SD Weather - Wednesday Night Mostly Clear Rapid City, SD Weather - Thursday Sunny Rapid City, SD Weather - Thursday Night Clear Rapid City, SD Weather - Friday Sunny Rapid City, SD Weather - Friday Night Partly Cloudy Rapid City, SD Weather - Saturday Mostly Sunny
Mostly Clear Mostly Sunny Partly Cloudy Chance of T-Storm Partly Cloudy Mostly Sunny Mostly Clear Sunny Clear Sunny Partly Cloudy Mostly Sunny
Hi: 55°FHi: 13°C
 Hi: 85°FHi: 29°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 91°FHi: 33°C
 Lo: 65°FLo: 18°C Hi: 91°FHi: 33°C
 Lo: 65°FLo: 18°C Hi: 95°FHi: 35°C
 Lo: 69°FLo: 21°C Hi: 91°FHi: 33°C
POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 352 AM MDT Mon Aug 31 2026 Rapid City, SD Weather - WeatherWorld.com

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Issued: 543 AM MDT Mon Aug 31 2026

Key Messages

  • Except for Tuesday, very warm weather expected over the next 7 days.
  • Except for Tuesday, elevated to near-critical fire weather conditions expected over the next 7 days, primarily over northeastern WY/southwestern SD.

Discussion

...(This Afternoon Through Saturday) Issued at 1152 AM MDT Sun Aug 30 2026

Upper air analysis depicts upper shortwave over northern ID/southern SK. Water vapor imagery shows line of convection developing over central MT/WY and moving eastward. These storms will ...