Highland, WI 53543 Weather

This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin and southeast Wisconsin.

Day one: This Afternoon and Tonight

A few thunderstorms are possible late tonight into early Thursday morning.

Days two through seven: Thursday through Tuesday

Thunderstorms will remain possible through Thursday morning.

Spotter information statement

Spotter activation will not be needed.

Key messages

- Warm and dry today, a bit breezy.

- 50-70 percent chance for rain showers north and west of the MKE metro area tnt with lesser chances for MKE and south. Isolated thunderstorms possible.

- Chances for rain continue each day through the weekend into early next week. Best chances (50 to 60%) appear to be Friday night into Saturday morning.

Short term

Issued 230 PM CDT Wed Oct 28 2026

Tonight through Friday night:

Low pressure is expected to move from Minnesota this afternoon to James Bay in Canada by tomorrow around dawn. As this low moves northeast through tonight, it is expected to drag a cold front over the state of Wisconsin. The rest of this afternoon and early this evening will be dry, but shower and scattered thunderstorm activity is expected to become more likely over southwest and central WI around and after 9pm tonight as the cold front approaches the upper MS Valley. Any thunderstorm activity is expected to be benign and pulse-like in nature, as MUCAPE is expected to be around 500 to 900 J/kg with a skinny CAPE profile, and effective bulk shear will be less than 15 knots.

Shower and thunderstorm activity will be most likely over southwest to east-central WI (50 to 70% PoPs), with some decrease in PoPs to 30 to 50% over southeast WI early Thursday, owing to weakening CAPE and some lingering dry air near the surface from an area of high pressure centered just south of the Ohio River Valley.

The front should clear southern WI by the mid morning hours, and dry air and subsidence following the front will allow for skies to clear form northwest to southeast by the early afternoon.

Highs will be cooler tomorrow owing to the front and will be in the low 60s over central to southwest WI. The highest temperatures near 70 are expected to be over southeast WI where it will take the longest for the front to clear and for cooler air to move in through tomorrow.

High pressure is then expected to move in through the remainder of Thursday and will linger into Friday. The high will likely keep the best chances for rain south of the WI/IL border through Friday as a sfc warm front sets up over western IL and back west into Iowa.

CMiller

Long term

Issued 151 PM CDT Wed Oct 28 2026

Saturday through Wednesday:

Better model agreement is present today for a wave of WAA and a warm front to bring rain chances (50 to 60% PoPs) during the first half of Saturday over most of southern WI. Rain chances then look to grow weaker Saturday afternoon (30% PoPs) and evening (15% PoPs) as the low to mid level warm advection becomes weaker and the forcing mechanisms for the rain taper off.

Rain chances then look more nebulous on Sunday as the GFS and ECMWF show rain over the eastern Corn Belt along a sfc trough while we remain dry, though these chances are not fair away from southern WI and may shift with time. As it stands, 15 to 30% pops are painted across the area for Sunday morning and afternoon.

Beyond, the GFS and ECMWF depict a multi-day rain maker arriving Monday and lingering into Wednesday or Thursday. Exact details need to be fleshed out but next week looks to remain mild and will feature more a more active weather pattern.

CMiller

Aviation

Issued 135 PM CDT Wed Oct 28 2026

VFR conditions and mostly clear skies will persist into tonight until ceilings from 7000 to 9000 feet move in ahead of an approaching cold front. Scattered showers and a few rumbles of thunder will be possible along the front and some MVFR ceilings between 1500 ot 2500 feet will be possible immediately along the front as it moves through the area early Thursday morning.

Winds will remain southerly and breezy into tonight, becoming southwesterly and then northwesterly Thursday morning as the front passes. Northwest winds are then expected to weaken Thursday, with clearing skies Thursday morning into Thursday afternoon.

CMiller

Marine

Issued 140 PM CDT Wed Oct 28 2026

Low pressure of 29.9 inches will move northeast over Lake Superior tonight and to James Bay by dawn on Thursday, deepening to 29.5 inches. As the low travels northeast, it is expected to drag a cold front over the upper Great Lakes Region. Breezy southerly winds are expected to increase this evening as a tighter pressure gradient moves over the lake. Winds will become southwesterly with time tonight, and gusts will come within a few knots of gale force over the northern third of Lake Michigan. A few gusts to gale force can't be ruled out. Some thunderstorms will also be possible tonight, mainly over the southern half of the lake.

The cold front will pass over the lake during the post- dawn hours of the morning Thursday, bringing winds around to northwesterly. Winds are expected to ease in strength following the frontal passage but will remain modestly breezy with gusts to 20 knots through Thursday into Thursday night.

CMiller

Watches, warnings and advisories

WI: None. LM: Small Craft Advisory: LMZ643: 7 PM Wednesday to 7 AM Thursday.