Jefferson, WI Weather Forecast
Jefferson County, Wisconsin
Live radar, warnings and storm tracking for Jefferson, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Jefferson
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Jefferson, WI at a glance
Jefferson is home to about 7,646 people in Jefferson County, across 5.8 square miles. It ranks 128th by population of 322 places in Wisconsin with a forecast here. The nearest neighbour with its own forecast is Johnson Creek, 6 miles away.
- County
- Jefferson County
- Population
- 7,646 2023 est.
- Land area
- 5.8 sq mi
- People per sq mi
- 1,311
- Forecast point
- 43.0040°N, 88.8085°W
How well can the network see Jefferson?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the E. Its lowest scan passes about 700 ft above Jefferson. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Jefferson show up clearly. Jefferson is closer to its radar than 92% of US cities.
The closest weather station is KRYV (Watertown Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Jefferson
- Johnson Creek, WI6 mi
- Fort Atkinson, WI6 mi
- Lake Mills, WI7 mi
- Oakland, WI7 mi
- Koshkonong, WI8 mi
- Whitewater, WI12 mi
- Watertown, WI13 mi
- Deerfield, WI14 mi
Elsewhere in Wisconsin
MilwaukeeMadisonGreen BayKenoshaRacineAppletonAll Wisconsin forecasts →

