SYLVAN LAKE, SD 57730 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


CUSTER, SD
Current Weather

3:53 AM MDT MAY 4, 2025
Clear
41°F
Feels Like: 41°F
Dewpoint: 28°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: Calm
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

South Dakota Current Weather

South Dakota MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2024 Hurricanes

SYLVAN LAKE, SD 57730
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
EARLY THIS MORNING
Clear. Near steady temperature around 50. East winds 5 to 10 mph with gusts up to 20 mph.
TODAY
Sunny, breezy with highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph in the afternoon.
TONIGHT
Clear. Lows around 50. Southeast winds 10 to 20 mph. Gusts up to 35 mph, decreasing to 25 mph after midnight.
MONDAY
Mostly sunny in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.
MONDAY NIGHT
A slight chance of thunderstorms in the evening. Showers likely. Lows in the mid 40s. South winds 10 to 15 mph, becoming northeast 5 to 10 mph after midnight. Gusts up to 25 mph. Chance of rain 70 percent.
TUESDAY
Showers likely. Cooler with highs in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
TUESDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 40s. Chance of rain 40 percent.
WEDNESDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs around 60. Chance of rain 30 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 40s.
THURSDAY
Sunny. Highs in the lower 70s.
THURSDAY NIGHT
Mostly clear. Lows in the upper 40s.
FRIDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly clear. Lows in the upper 40s.

Visible Weather Satellite
SYLVAN LAKE, SD 57730
Infrared Weather Satellite
SYLVAN LAKE, SD 57730
NEXRAD Weather Radar
SYLVAN LAKE, SD 57730

CUSTER, SD 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/ 3/2025
Sunday
4 MAY 2025
SYLVAN LAKE, SD 57730 weather forecast Day 1, 0 hours 12 AM 49° 48° Clear 0%

0% Thunder
( 0% severe)
SE   3 44% 28°
Low 44° SYLVAN LAKE, SD 57730 weather forecast Day 1, 3 hours 3 AM 46° 44° Clear SSW   5 56% 31°
High 71° SYLVAN LAKE, SD 57730 weather forecast Day 1, 6 hours 6 AM 45° 44° Clear 0%

0% Thunder
( 1% severe)
W   3 60% 32°

Clear



SYLVAN LAKE, SD 57730 weather forecast Day 1, 9 hours 9 AM 58° 57° Clear S   7 42% 35°
SYLVAN LAKE, SD 57730 weather forecast Day 1, 12 hours 12 PM 66° 66° Clear 1%

0% Thunder
( 7% severe)
S   14 33% 36°
SYLVAN LAKE, SD 57730 weather forecast Day 1, 15 hours 3 PM 70° 70° Clear SSE   15 25% 33°
SYLVAN LAKE, SD 57730 weather forecast Day 1, 18 hours 6 PM 67° 67° Clear 3%

0% Thunder
( 5% severe)
SSE   14 28% 33°
SYLVAN LAKE, SD 57730 weather forecast Day 1, 21 hours 9 PM 57° 55° Clear SSE   9 45% 36°
Monday
5 MAY 2025
SYLVAN LAKE, SD 57730 weather forecast Day 2, 0 hours 12 AM 52° 49° Clear 2%

0% Thunder
( 1% severe)
S   8 56% 37°
Low 44° SYLVAN LAKE, SD 57730 weather forecast Day 2, 3 hours 3 AM 48° 45° Clear S   6 68% 38°
High 67° SYLVAN LAKE, SD 57730 weather forecast Day 2, 6 hours 6 AM 47° 45° Clear 8%

0% Thunder
( 5% severe)
WSW   5 74% 39°

Partly Cloudy

Rain Likely

SYLVAN LAKE, SD 57730 weather forecast Day 2, 9 hours 9 AM 59° 58° Clear S   7 49% 40°
SYLVAN LAKE, SD 57730 weather forecast Day 2, 12 hours 12 PM 65° 65° Partly Cloudy 68%
RAIN
1–2 in
0% Thunder
( 32% severe)
SSE   12 35% 37°
SYLVAN LAKE, SD 57730 weather forecast Day 2, 15 hours 3 PM 65° 65° Partly Cloudy SE   13 34% 36°
SYLVAN LAKE, SD 57730 weather forecast Day 2, 18 hours 6 PM 60° 58° Mostly Cloudy 81%
RAIN
***
0% Thunder
( 27% severe)
SSE   10 42% 37°
SYLVAN LAKE, SD 57730 weather forecast Day 2, 21 hours 9 PM 50° 47° Mostly Cloudy SW   8 68% 40°

CUSTER, SD extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 43° Low 40° Low 36° Low 38° Low 42°
High 63° High 50° High 54° High 63° High 69°
SYLVAN LAKE, SD 57730 weather forecast Day 3 SYLVAN LAKE, SD 57730 weather forecast Day 4 SYLVAN LAKE, SD 57730 weather forecast Day 5 SYLVAN LAKE, SD 57730 weather forecast Day 6 SYLVAN LAKE, SD 57730 weather forecast Day 7
Mostly Cloudy
33% Rain
Overcast
82% Rain
Overcast
61% Rain
Partly Cloudy
20% Rain
Clear
14% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Sylvan Lake, SD
Sylvan Lake, SD snow
Sylvan Lake, SD radar
SD map
-or-
-or-
-or-
 
57730
57730 snow
57730 radar
 
-or-
-or-
 
 
SD
SD snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions