Marshall, WI Weather Forecast
Dane County, Wisconsin
Seven-day outlook
37–67°F across the weekThe week runs between 37° and 67°, with Tuesday the warmest day of it. The second half leans warming, and tomorrow is the coolest day in it. Tuesday is the wettest day, peaking near 60%. 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 Marshall forecast
Marshall sits at 43.1705°N, 89.0626°W in Dane County, Wisconsin. 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
- Dane County
- Coordinates
- 43.1705°N, 89.0626°W
- Population
- 3,810 · 2023 estimate
- Land area
- 2.143 sq mi
Place data from the US Census Bureau. Coordinates are the Census internal point for Marshall, 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 Marshall?
The nearest Doppler radar is KMKX (Milwaukee, WI), 29 miles to the ESE. 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 Marshall its center is about 1,800 ft above ground. That is about as close as radar coverage gets in the United States: the lowest scan is still near the ground when it reaches Marshall, so low-level rotation and the leading edge of a gust front show up on it. Marshall is closer to its radar than 71% of US cities.
The closest instrument actually measuring the air is KMSN · Madison/Dane Cnty 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 Wisconsin observing network as of this build.
Forecasts near Marshall
- Waterloo, WI4 mi
- Bristol, WI8 mi
- Deerfield, WI8 mi
- Sun Prairie, WI9 mi
- Cottage Grove, WI9 mi
- Lake Mills, WI10 mi
- Columbus, WI12 mi
- Windsor, WI12 mi
Elsewhere in Wisconsin
MilwaukeeMadisonGreen BayKenoshaRacineAppletonAll Wisconsin forecasts →