Wind
15 mph
SE
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for South Byron, WI.
Hour-by-Hour Current Observation
Mostly Cloudy
Wind
15 mph
SE
UV Index
4
Moderate
Humidity
65%
Dew 60°F
Sun
5:14 AM · 8:39 PM
Rise · Set
Source: OSHKOSH (KOSH). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Chance of Scattered Thunderstorms
Overnight: Chance of Thunderstorms
Today
Chance of Scattered Thunderstorms High near 77°F.
Night
Scattered showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday
Mostly Cloudy
Overnight: Partly Cloudy
Monday
Isolated rain showers before 7am. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Night
Mostly clear, with a low around 74. Heat index values as high as 101. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly Sunny
Overnight: Chance of Scattered Thunderstorms
Tuesday
Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Night
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
Mostly Sunny
Overnight: Chance of Scattered Thunderstorms
Wednesday
A chance of rain showers before 7am. Sunny, with a high near 94. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Night
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 72. Southwest wind around 10 mph. Chance of precipitation is 30%.
Thursday
Chance of Scattered Thunderstorms
Overnight: Scattered Thunderstorms Likely
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 93. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Night
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
South Byron, WI Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near South Byron, WI.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.