What is today's weather forecast for Sylvan Lake, SD?

Today's forecast for Sylvan Lake shows a low of 38 degrees Fahrenheit. Partly cloudy, with a low around 38.

What is the 7-day weather forecast for Sylvan Lake, SD?

The 7-day forecast for Sylvan Lake shows highs from 40 to 50 degrees and lows from 26 to 38 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Sylvan Lake, SD this week?

Yes, rain is possible in Sylvan Lake this week. Precipitation chances: Sunday (30% chance), Monday (60% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance).

How accurate is the Sylvan Lake weather forecast?

WeatherForYou provides highly accurate Sylvan Lake forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Sylvan Lake, SD Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

46°F
Feels Like 46°F

Humidity 60% Dew Point 33°F Wind Calm Barometer 29.89 in.759.2 mm

Report from a personal weather station 5.7 miles N of central Sylvan Lake
at 11:58 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

60%

TueNov 18

WedNov 19

50%

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 50°F to 41°F. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for November. Normal highs for this period are around 47°F with lows around 22°F.

This Date in Weather History

1974 - A storm produced 15 inches of snow at the Buffalo, NY, airport, and 30 inches on the south shore of Lake Erie.

Sylvan Lake, SD 7 Day Weather Forecast Details

Friday Nov 14

Night: Partly cloudy, with a low around 38. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

Saturday Nov 15

Day: Mostly sunny, with a high near 50. West wind 5 to 8 mph, with gusts as high as 21 mph.

Night: Partly cloudy, with a low around 33. Northwest wind around 6 mph.

Sunday Nov 16

Day: Mostly sunny, with a high near 50. Southwest wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Night: A 30 percent chance of rain after 11pm. Increasing clouds, with a low around 34. West wind around 7 mph, with gusts as high as 15 mph.

Monday Nov 17

Day: Rain likely, mainly before 11am. Mostly cloudy, with a high near 41. West wind around 6 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 30. West wind around 6 mph. Chance of precipitation is 30%.

Tuesday Nov 18

Day: Partly sunny, with a high near 45. West wind 3 to 6 mph. Winds could gust as high as 16 mph.

Night: Mostly cloudy, with a low around 30.

Wednesday Nov 19

Day: A chance of rain and snow before noon, then a chance of rain between noon and 3pm, then a chance of rain and snow after 3pm. Partly sunny, with a high near 44.

Night: A chance of snow. Partly cloudy, with a low around 26.

Thursday Nov 20

Day: A slight chance of snow. Mostly sunny, with a high near 41.

Night: A slight chance of snow. Mostly cloudy, with a low around 26.

Friday Nov 21

Day: A slight chance of snow. Partly sunny, with a high near 40.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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