Showers Interrupt Partly Sunny Skies in Madison on September 20

Lead Madison experienced intermittent showers under partly sunny skies Saturday, with daytime highs reaching 73°F and overnight lows settling at 61°F, driven by a humid southerly breeze and high UV levels.

Nut Graf Persistent moisture off Lake Mendota combined with a weak frontal boundary produced scattered rain showers throughout the afternoon, prompting Weather Service advisories as residents and visitors adjusted outdoor plans.

Weather Details

• Conditions: Partly sunny with periodic showers.
• High/Low: 73°F daytime high; 61°F low overnight.
• Precipitation Chance: 84%, with brief afternoon downpours.
• Wind: Southerly gusts up to 7 mph.
• UV Index: Very high at 11, urging sun protection.

Impact and Outlook Madison commuters encountered slick roads during sporadic rain bursts, causing minor delays on local and campus routes. Despite cloud breaks, high UV readings heightened sunburn risks when skies cleared.

Tonight’s showers will give way to mostly cloudy skies, with temperatures dipping into the low 60s. Sunday promises cooler, drier weather as the frontal boundary lifts northeast, easing humidity and reducing rain chances.