Gannvalley, SD Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Gannvalley, SD in one place.
Partly sunny. High near 48, with temperatures falling to around 44 in the afternoon. South southeast wind 3 to 10 mph.
Local Weather Overview
This forecast page for Gannvalley, 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 5, 2026 1:55 PM CST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Gannvalley, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 1:55 PM CST
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Gannvalley
Sunday looks like the warmest upcoming period in Gannvalley at 63 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Monday at about 8 to 14 mph NW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 1:55 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
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 31. South wind 1 to 6 mph.
Mostly sunny, with a high near 59. West southwest wind 2 to 9 mph.
Partly cloudy, with a low around 36. West wind 1 to 5 mph.
Sunny, with a high near 63. South southwest wind 1 to 12 mph.
Mostly clear, with a low around 42. South southwest wind 7 to 10 mph.
Sunny, with a high near 61. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 34.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 35.
Sunny, with a high near 58.
Mostly clear, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Partly Sunny
|
48°F |
3 to 10 mph
SSE
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
31°F |
1 to 6 mph
S
|
|
Saturday
Nov 7
|
Mostly Sunny
|
59°F |
2 to 9 mph
WSW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
36°F |
1 to 5 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
63°F |
1 to 12 mph
SSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
42°F |
7 to 10 mph
SSW
|
|
Monday
Nov 9
|
Sunny
|
61°F |
8 to 14 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
34°F |
2 to 6 mph
NW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
58°F |
2 to 7 mph
SSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
35°F |
6 mph
NE
|
|
Veterans Day
Nov 11
|
Sunny
|
58°F |
5 to 9 mph
NNW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
37°F |
6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Gannvalley.