Brant Lake, SD Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Brant Lake, SD in one place.
Partly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Brant Lake, 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 23, 2026 5:32 AM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Brant Lake, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 5:32 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Brant Lake
Sunday looks like the warmest upcoming period in Brant Lake at 96 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 23, 2026 5:32 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
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 65. South wind 10 to 15 mph.
Sunny, with a high near 95. South southwest wind around 10 mph.
Partly cloudy, with a low around 72.
Mostly sunny, with a high near 96.
Mostly clear, with a low around 72.
Sunny, with a high near 94.
Mostly clear, with a low around 70.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 68.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny
|
81°F |
10 to 15 mph
S
|
|
Friday Night
Jul 24
|
Mostly Clear
|
65°F |
10 to 15 mph
S
|
|
Saturday
Jul 25
|
Sunny
|
95°F |
10 mph
SSW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
72°F |
10 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
96°F |
10 to 20 mph
SSW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
72°F |
10 to 20 mph
SW
|
|
Monday
Jul 27
|
Sunny
|
94°F |
10 mph
N
|
|
Monday Night
Jul 27
|
Mostly Clear
|
70°F |
5 to 10 mph
NE
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
90°F |
5 to 10 mph
ESE
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
68°F |
5 to 10 mph
SE
|
|
Wednesday
Jul 29
|
Slight Chance Rain Showers
|
89°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brant Lake.