Grindstone, SD Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Grindstone, SD in one place.
Mostly cloudy. High near 66, with temperatures falling to around 58 in the afternoon. West wind 10 to 14 mph, with gusts as high as 26 mph.
Local Weather Overview
This forecast page for Grindstone, 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: Nov 7, 2026 12:34 PM MST.
The active forecast window currently covers Nov 7 to Nov 13, 2026 for Grindstone, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 12:34 PM MST
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grindstone
Sunday looks like the warmest upcoming period in Grindstone at 69 degrees F.
Tonight is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Veterans Day at about 7 to 21 mph NW.
The forecast from Nov 7 through Nov 13 stays mostly dry.
Forecast Details
- Last updated
- Nov 7, 2026 12:34 PM MST
- Coverage
- 8 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, with a low around 34. West wind 5 to 9 mph, with gusts as high as 18 mph.
Mostly sunny. High near 69, with temperatures falling to around 59 in the afternoon. South wind 6 to 17 mph, with gusts as high as 31 mph.
Partly cloudy, with a low around 40. West wind 7 to 10 mph, with gusts as high as 21 mph.
Mostly sunny. High near 62, with temperatures falling to around 51 in the afternoon. North wind 2 to 9 mph, with gusts as high as 17 mph.
Partly cloudy, with a low around 37. South wind 1 to 5 mph.
Partly sunny, with a high near 61.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 35.
Sunny, with a high near 59.
Mostly clear, with a low around 35.
Sunny, with a high near 64.
Partly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 7
|
Mostly Cloudy
|
66°F |
10 to 14 mph
W
|
|
Tonight
Nov 7
|
Mostly Clear
|
34°F |
5 to 9 mph
W
|
|
Sunday
Nov 8
|
Mostly Sunny
|
69°F |
6 to 17 mph
S
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
40°F |
7 to 10 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
62°F |
2 to 9 mph
N
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
37°F |
1 to 5 mph
S
|
|
Tuesday
Nov 10
|
Partly Sunny
|
61°F |
5 to 10 mph
W
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
40°F |
9 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
60°F |
7 to 21 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
35°F |
2 to 6 mph
N
|
|
Thursday
Nov 12
|
Sunny
|
59°F |
5 to 8 mph
S
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
35°F |
7 mph
SE
|
|
Friday
Nov 13
|
Sunny
|
64°F |
7 to 12 mph
SE
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
40°F |
8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grindstone.
Nearby forecast pages are not available for this location yet.