Brant Lake, SD Weather Forecast

Local 7-day forecast

77°

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Brant Lake, SD in one place.

Thursday, April 23, 2026

Wind: 25 to 30 mph SSW

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.

Local 7-day forecast

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: Apr 19, 2026 2:49 PM CDT.

The active forecast window currently covers Apr 23 to Apr 25, 2026 for Brant Lake, SD.

Page Snapshot

Page focus: city weather
Forecast window: Apr 23 to Apr 25, 2026
Latest sync: Apr 19, 2026 2:49 PM CDT
Forecast office: FSD
Source: NOAA / NWS

Next High

77°F

Thursday

Next Low

37°F

Thursday Night

Rain Outlook

Periods mentioning precipitation

Windiest

25 to 30 mph

Thursday

Daily Outlook

Today

Apr 23

Chance Showers And Thunderstorms

77 °F

/ 37°F

Wind 25 to 30 mph

Fri

Apr 24

Slight Chance Rain And Snow Showers

57 °F

/ 32°F

Wind 25 to 30 mph

Sat

Apr 25

Mostly Sunny

57 °F

/ 33°F

Wind 15 to 20 mph

This Week in Brant Lake

Thursday looks like the warmest upcoming period in Brant Lake at 77 degrees F.

Friday Night is the coolest period ahead with temperatures near 32 degrees F.

The strongest winds are forecast for Thursday at about 25 to 30 mph SSW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 19, 2026 2:49 PM CDT
Coverage: 3 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 source

Extended Forecast

Thursday Night

Apr 23

37°F

Chance Rain Showers

25 to 30 mph W

A chance of rain showers. Partly cloudy, with a low around 37. Chance of precipitation is 40%.

Friday

Apr 24

57°F

Slight Chance Rain And Snow Showers

25 to 30 mph NW

A slight chance of rain showers before 7am, then a slight chance of rain and snow showers. Mostly sunny, with a high near 57.

Friday Night

Apr 24

32°F

Slight Chance Rain Showers then Partly Cloudy

15 to 25 mph NW

A slight chance of rain showers before 7pm. Partly cloudy, with a low around 32.

Saturday

Apr 25

57°F

Mostly Sunny

15 to 20 mph WNW

Mostly sunny, with a high near 57.

Saturday Night

Apr 25

33°F

Partly Cloudy

10 to 15 mph NW

Partly cloudy, with a low around 33.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Thursday Apr 23	Chance Showers And Thunderstorms	77°F	25 to 30 mph SSW	A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night Apr 23	Chance Rain Showers	37°F	25 to 30 mph W	A chance of rain showers. Partly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday Apr 24	Slight Chance Rain And Snow Showers	57°F	25 to 30 mph NW	A slight chance of rain showers before 7am, then a slight chance of rain and snow showers. Mostly sunny, with a high nea...
Friday Night Apr 24	Slight Chance Rain Showers then Partly Cloudy	32°F	15 to 25 mph NW	A slight chance of rain showers before 7pm. Partly cloudy, with a low around 32.
Saturday Apr 25	Mostly Sunny	57°F	15 to 20 mph WNW	Mostly sunny, with a high near 57.
Saturday Night Apr 25	Partly Cloudy	33°F	10 to 15 mph NW	Partly cloudy, with a low around 33.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Brant Lake.

Madison

Population 7,064

Region Links

Lake County weather

County forecast page

South Dakota weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.