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Safety guides Use current official weather information for Spearfish, South Dakota 57799 before making weather-sensitive plans.
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Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 23 at 2:44PM MDT until August 23 at 8:00PM MDT by NWS Rapid City SD Expires Sun, 8:00 PM MDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Spearfish, South Dakota 57799. Forecasts and alerts update from NOAA and the National Weather Service.
88°Slight Chance Showers And Thunderstorms23% rain
88°Slight Chance Showers And Thunderstorms15% rain87°Slight Chance Showers And Thunderstorms15% rain82°Slight Chance Showers And Thunderstorms15% rain78°Slight Chance Showers And Thunderstorms15% rain
75°Partly Cloudy7% rain
74°Mostly Clear7% rain73°Mostly Clear0% rainNext 24 hours
Rain Timeline
Scattered precipitation is possible. The highest official hourly chance is 23%; check the radar before heading out.
23%Thunderstorms
15%Thunderstorms
15%Thunderstorms
15%Thunderstorms
15%Thunderstorms
7%None
7%None
0%None
0%None
0%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
2%None
Official NWS outlook
7-Day Forecast
Today
! NWS90°66°
Slight Chance Showers And Thunderstorms
- Precipitation
- 23%
- Wind
- N 7 mph
- Sunrise
- 6:09 AM
- Sunset
- 7:50 PM
Mon
89°61°
Sunny
- Precipitation
- 9%
- Wind
- NW 6 to 13 mph
- Sunrise
- 6:10 AM
- Sunset
- 7:48 PM
Tue
85°57°
Mostly Sunny
- Precipitation
- 6%
- Wind
- NW 1 to 13 mph
- Sunrise
- 6:11 AM
- Sunset
- 7:46 PM
Wed
85°59°
Sunny
- Precipitation
- 10%
- Wind
- N 1 to 8 mph
- Sunrise
- 6:12 AM
- Sunset
- 7:45 PM
Thu
88°63°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 19%
- Wind
- SE 0 to 10 mph
- Sunrise
- 6:13 AM
- Sunset
- 7:43 PM
Fri
90°62°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 19%
- Wind
- E 1 to 9 mph
- Sunrise
- 6:14 AM
- Sunset
- 7:41 PM
Sat
89°62°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 23%
- Wind
- N 2 to 9 mph
- Sunrise
- 6:16 AM
- Sunset
- 7:39 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel90°F
Walking is not recommended now
Review the active Severe Thunderstorm Watch before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.
WindW8 mph
Best walk timeReview the active Severe Thunderstorm Watch before leaving
MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.
Official EPA AirNowLocal air qualitySpearfish, South Dakota 57799View AQI +
More weather details
Wind gustsNot reported
Rain now23%next hour
Humidity34%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure—
Visibility10.0 mi
Peak rain chance23%
Dew point57°F
Active alerts1
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