Spearfish, SD Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Spearfish, SD in one place.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Southeast wind 6 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
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: May 24, 2026 2:25 AM MDT.
The active forecast window currently covers May 26 to May 30, 2026 for Spearfish, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 2:25 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Spearfish
Tuesday looks like the warmest upcoming period in Spearfish at 88 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 18 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 2:25 AM MDT
- Coverage
- 5 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 cloudy, with a low around 61.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 73.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
6 to 16 mph
SE
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
61°F |
9 to 17 mph
SE
|
|
Wednesday
May 27
|
Mostly Sunny then Chance Showers And Thunderstorms
|
79°F |
9 to 18 mph
SE
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
57°F |
5 to 18 mph
SE
|
|
Thursday
May 28
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
73°F |
5 to 15 mph
SE
|
|
Thursday Night
May 28
|
Slight Chance Showers And Thunderstorms
|
56°F |
6 to 15 mph
SE
|
|
Friday
May 29
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
77°F |
6 to 17 mph
SE
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms
|
56°F |
6 to 17 mph
SE
|
|
Saturday
May 30
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
77°F |
6 to 13 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Spearfish.
