Spearfish, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Spearfish, SD in one place.
Sunny. High near 89, with temperatures falling to around 87 in the afternoon. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Spearfish, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 3:17 PM MDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Spearfish, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 3:17 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Spearfish
Monday looks like the warmest upcoming period in Spearfish at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 6 to 10 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 3:17 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southwest wind 1 to 8 mph, with gusts as high as 17 mph.
Mostly sunny, with a high near 84. Northwest wind 1 to 10 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 57. West wind 0 to 9 mph, with gusts as high as 17 mph.
Sunny, with a high near 84.
Partly cloudy, with a low around 59.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
89°F |
6 to 10 mph
NW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
61°F |
1 to 8 mph
SW
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
84°F |
1 to 10 mph
NW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
57°F |
0 to 9 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
84°F |
0 to 7 mph
NE
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
59°F |
3 to 8 mph
SE
|
|
Thursday
Aug 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 8 mph
SE
|
|
Thursday Night
Aug 27
|
Partly Cloudy then Slight Chance Rain Showers
|
64°F |
3 to 10 mph
S
|
|
Friday
Aug 28
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
1 to 8 mph
E
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms
|
63°F |
2 to 7 mph
S
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
2 to 8 mph
N
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms
|
62°F |
7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Spearfish.
