Cool weekend likely to feature showers and storms on Saturday

June 2, 2018 GMT

South-central Wisconsin will see highs only in the 70s and upper 60s over the weekend, with showers and storms likely to bring some decent rain totals on Saturday night, according to forecasters.

Friday’s forecast for Madison features mostly sunny skies, a high near 75 and northeast winds at 5 to 10 miles per hour, the National Weather Service said.

After an overnight low around 51, there’s a 20 percent chance for showers Saturday after 2 p.m., with partly sunny skies, a high near 72 and east winds around 10 mph.

Gusty northeast winds and building waves will result in a high swim risk for Lake Michigan beaches Friday and Friday night, the Weather Service said.

The chance for showers and storms is 70 percent overnight Saturday into Sunday, with possible rain totals of a half-inch to three-quarters of an inch, and 40 percent Sunday before 8 a.m.

The low should be around 57 and the high Sunday near 68 under partly sunny skies, with northwest winds at 10 to 15 mph, gusting as high as 25 mph.

The Weather Service said chances for showers and storms return at 20 percent Wednesday, 30 percent Wednesday night and 40 percent Thursday.

Skies over Madison should be sunny Monday and Tuesday, mostly sunny Wednesday and partly sunny Thursday, with highs near 75, 75, 78 and 80, and lows Sunday night through Wednesday night around 53, 56, 56 and 60.

27 Storm Track meteorologist Branden Borremans forecasts seasonable weather over the next week, with a late day shower or thundershower west of Madison on Saturday, showers and thundershowers Saturday night, a lingering shower early Sunday, a few showers and thunderstorms Wednesday night, and a few possible showers and thunderstorms on Thursday.

Borremans said skies over Madison should be turning mostly sunny Friday, partly sunny Saturday and Sunday, sunny Monday and Tuesday, mostly to partly sunny Wednesday, mixed clouds and sun Thursday, and mostly sunny next Friday, with highs near 76, 74, 70, 77, 78, 81, 84 and 79, and overnight lows around 51, 56, 53, 54, 56, 64, 59 and 62.

Thursday’s high in Madison was 85 at 3:09 p.m., 12 degrees above the normal high and 16 degrees below the record high of 101 for May 31, set in 1934.

Thursday’s low in Madison was 67 at 11:59 p.m., 16 degrees above the normal low and 35 degrees above the record low of 32 for May 31, set in 1966.

No precipitation was recorded at the Dane County Regional Airport on Thursday, putting Madison’s final May and meteorological spring (March through May) precipitation total at 9.78 inches, 6.23 inches above normal. The 2018 total stayed at 16.84 inches, 5.01 inches above normal.

Madison’s record precipitation for May 31 is 2.33 inches in 2000.

May 2018 was the third-warmest May on record for Milwaukee and eighth-warmest for Madison. Milwaukee had the 10th-wettest May on record and Madison the second-wettest May on record, the Weather Service said.