Sylvan, MN Weather Forecast
Cass County, Minnesota
Seven-day outlook
32–61°F across the weekThe week runs between 32° and 61°, with Sunday the warmest day of it. There is no real trend across it: one day looks much like the next. Tuesday is the wettest day, peaking near 64%. 3 of the 7 days stay dry.
Forecasts come from the National Weather Service's own computer models, and current conditions from the nearest reporting weather station. Both are served through the weather API. A forecast is guidance, not a warning, and anything the Weather Service has actually issued is on the live map.
The written summaries on this page are generated from the forecast data above, not by a meteorologist. Each sentence is a reading of the same numbers you can see, and no forecaster has reviewed them.
About the Sylvan forecast
Sylvan sits at 46.3438°N, 94.3985°W in Cass County, Minnesota. The forecast above is drawn for that point from the National Weather Service's own computer models: a seven-day outlook, and a finer-grained one covering the next eighteen hours where it reaches, and the radar and alert panels show what the Weather Service has out over the area right now.
- County
- Cass County
- Coordinates
- 46.3438°N, 94.3985°W
- Population
- 3,035 · 2023 estimate
- Land area
- 30.802 sq mi
Place data from the US Census Bureau. Coordinates are the Census internal point for Sylvan, and the forecast is for that location, not for every address inside the city limits, and a large city can have real weather differences from one side to the other.
How well can the network see Sylvan?
The nearest Doppler radar is KDLH (Duluth, MN), 109 miles to the ENE. A WSR-88D's lowest routine scan sits half a degree above horizontal, and the earth curves away beneath it, so by the time that beam reaches Sylvan its center is about 11,000 ft above ground. At that range the beam overshoots the layer where severe weather organizes. The radar is describing the middle of the storm, not its base , which is why a warning for Sylvan can look unsupported on the mosaic and still be right. Trust the warning over the picture.
The closest instrument actually measuring the air is KBRD · Brainerd/Lakes Rgnl on the ASOS/AWOS network, 14 miles away. Near enough to be representative on most days, though a summer thunderstorm can soak one and miss the other entirely.
Beam height is the standard 4/3-earth approximation for the 0.5° scan and assumes normal refraction; it is where the center of the beam is, not its edges, and unusual temperature profiles bend it. Radar siting from the NWS WSR-88D network, station positions from the Minnesota observing network as of this build.
Forecasts near Sylvan
- Baxter, MN6 mi
- First Assessment UT, MN9 mi
- Brainerd, MN10 mi
- Staples, MN20 mi
- Breezy Point, MN20 mi
- Little Falls, MN25 mi
- Long Prairie, MN34 mi
- Wadena, MN35 mi
Elsewhere in Minnesota
MinneapolisSt. PaulRochesterDuluthBloomingtonBrooklyn ParkAll Minnesota forecasts →