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, with a high near 98. East wind 2 to 7 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: Jul 14, 2026 5:14 PM MDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Spearfish, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:14 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Spearfish
Saturday looks like the warmest upcoming period in Spearfish at 99 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Wednesday Night at about 6 to 9 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:14 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
Mostly clear. Low around 70, with temperatures rising to around 76 overnight. South wind 6 to 9 mph, with gusts as high as 18 mph.
A slight chance of showers and thunderstorms after noon. Sunny. High near 95, with temperatures falling to around 93 in the afternoon. North wind around 6 mph. Chance of precipitation is 20%.
Partly cloudy. Low around 68, with temperatures rising to around 70 overnight. South wind 1 to 6 mph.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 96.
Partly cloudy, with a low around 70.
A chance of showers and thunderstorms after noon. Sunny, with a high near 99.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
98°F |
2 to 7 mph
E
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
6 to 9 mph
S
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
6 mph
N
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
68°F |
1 to 6 mph
S
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
1 to 7 mph
E
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
70°F |
7 mph
SE
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
99°F |
3 to 8 mph
SE
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
3 to 8 mph
S
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
3 to 9 mph
NW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
66°F |
0 to 9 mph
NW
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
1 to 9 mph
N
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
63°F |
2 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Spearfish.
