Spearfish, SD Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Spearfish, SD in one place.
Mostly clear, with a low around 67. Southwest wind around 16 mph, with gusts as high as 32 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: Oct 10, 2026 4:32 AM MDT.
The active forecast window currently covers Oct 10 to Oct 16, 2026 for Spearfish, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 10 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 4:32 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Spearfish
Saturday looks like the warmest upcoming period in Spearfish at 86 degrees F.
Thursday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Thursday at about 15 to 23 mph NW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 4:32 AM 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
Sunny. High near 86, with temperatures falling to around 79 in the afternoon. Southwest wind 7 to 15 mph, with gusts as high as 29 mph.
A slight chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 48, with temperatures rising to around 52 overnight. Southwest wind 1 to 6 mph. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly cloudy. High near 57, with temperatures falling to around 55 in the afternoon. North wind 1 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Rain likely. Cloudy, with a low around 43. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
A slight chance of rain showers before noon. Partly sunny. High near 57, with temperatures falling to around 52 in the afternoon. Northeast wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
A chance of rain. Mostly cloudy, with a low around 40.
A chance of rain before noon, then a chance of rain showers. Mostly sunny, with a high near 58.
A chance of rain. Partly cloudy, with a low around 43.
Rain likely. Mostly cloudy, with a high near 56.
Rain likely. Mostly cloudy, with a low around 43.
A chance of rain. Mostly sunny, with a high near 54.
A chance of rain before 9pm, then a chance of rain and snow. Partly cloudy, with a low around 38.
A slight chance of rain and snow before noon. Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 10
|
Mostly Clear
|
67°F |
16 mph
SW
|
|
Saturday
Oct 10
|
Sunny
|
86°F |
7 to 15 mph
SW
|
|
Saturday Night
Oct 10
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
48°F |
1 to 6 mph
SW
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
57°F |
1 to 8 mph
N
|
|
Sunday Night
Oct 11
|
Light Rain Likely
|
43°F |
6 to 9 mph
E
|
|
Columbus Day
Oct 12
|
Slight Chance Rain Showers then Partly Sunny
|
57°F |
5 to 8 mph
NE
|
|
Monday Night
Oct 12
|
Chance Light Rain
|
40°F |
1 to 8 mph
NE
|
|
Tuesday
Oct 13
|
Chance Light Rain then Chance Rain Showers
|
58°F |
1 to 8 mph
E
|
|
Tuesday Night
Oct 13
|
Chance Light Rain
|
43°F |
1 to 7 mph
SE
|
|
Wednesday
Oct 14
|
Rain Likely
|
56°F |
1 to 10 mph
E
|
|
Wednesday Night
Oct 14
|
Light Rain Likely
|
43°F |
9 to 14 mph
SW
|
|
Thursday
Oct 15
|
Chance Light Rain
|
54°F |
15 to 23 mph
NW
|
|
Thursday Night
Oct 15
|
Chance Rain And Snow
|
38°F |
8 to 21 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Rain And Snow then Mostly Sunny
|
57°F |
7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Spearfish.
