textproduct: Milwaukee/Sullivan

KEY MESSAGES

- Mild and breezy conditions are expected for Friday.

- A swath of light snow is possible across southern WI on Saturday.

UPDATE

Issued 550 AM CST Wed Feb 25 2026

No major changes to the forecast. Some patchy low clouds have come a bit further south than expected but will not impact the rest of the forecast today. Breezy winds will gradually decrease into the afternoon today.

Kuroski

SHORT TERM

Issued 1150 PM CST Tue Feb 24 2026

Today through Thursday:

Brisk northwest winds with gusts up to 25 mph and some low clouds are expected roughly between 4 AM and 10 AM. A few flurries are possible toward Fond du Lac and Sheboygan. Look for clouds to break apart as drier air works in during the afternoon, and also expect diminishing winds.

High pressure and clear skies will allow for light winds and temperatures to quickly drop into the lower to mid teens Wed nt. Light southerly winds will develop Thursday as a mid level shortwave trough skirts across Lake Superior. A brief period of low level warm air advection that is focused over northern WI may be broad enough for light snow to expand into portions of central WI. Thus we are carrying a slight chance of light snow from the Dells to West Bend and north. Moisture looks shallow so this would be a flurry situation as temperatures will be in the upper 30s.

Cronce

LONG TERM

Issued 1150 PM CST Tue Feb 24 2026

Thursday night through Monday:

A shortwave trough digging across Ontario on Friday will lead to a strengthening surface low there. The associated cold front will sweep across WI Fri evening. Ahead of that low, expect temperatures to rise well above normal into the 50s. A few flurries are possible along the cold front, and blustery northwest winds are expected to quickly diminish by Saturday morning. Highs Saturday will be back into the upper 20s and lower 30s.

The next feature to watch will be a swath of snow tracking across SD, srn MN, and srn WI on Saturday. The forcing will be along 850-500mb frontogenesis with high RH, stemming from mid level vorticity advection and upward motion along the left exit region of the upper jet. The GFS shows a lighter and narrower axis of precip than the ECMWF, which hints that this swath location might be difficult to pinpoint until much closer to the time of arrival.

For Sunday and Sunday night, we are watching the potential for another round of light snow to spread into southern WI from Iowa. The chance for this will depend on the degree of phasing of the northern stream and southern stream shortwaves. There is still a lot of uncertainty here and the overall pattern seems more favorable for the snow to pass by to the south of WI rather than right over us.

Cronce

AVIATION

Issued 600 AM CST Wed Feb 25 2026

SCT/BKN MVFR CIGS making there way through the region this morning. These lower CIGS will gradually push out over the next few hours with these cloud rising in addition to pushing out. By mid morning expect VFR conditions to return. Otherwise, breezy northwest winds continue this morning but will decrease into the afternoon as higher pressure pushes in.

Kuroski

MARINE

Issued 1150 PM CST Tue Feb 24 2026

Northwest winds will develop overnight in the wake of a 29.5 inch low pressure trough and become gusty Wednesday morning. Gusts up to 25 kt are expected for the nearshore areas until at least mid morning and a Small Craft Advisory is in effect, although this may need to get extended.

Lighter winds are expected Wednesday night into Thursday as high pressure of 30.0 inches moves into the Upper Great Lakes. South to southwest winds will then pick up later Thursday into Friday as low pressure of 29.3 inches over Saskatchewan deepens to 29.1 inches over Ontario. The associated cold front will cross Lake Michigan Friday afternoon and evening. A few gales will be possible across northern portions of the lake.

Cronce

MKX WATCHES/WARNINGS/ADVISORIES

WI...None. LM...Small Craft Advisory...LMZ643-LMZ644-LMZ645-LMZ646 until 10 AM Wednesday.