Sunrise 5:43 AM   Sunset 7:57 PM Moonrise 3:35 AM   Moonset 2:41 PM

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LMZ646 Wind Point Wi To Winthrop Harbor Il- 505 Am Cdt Fri May 3 2024
Today - Northwest wind 5 to 10 knots becoming north 10 to 15 knots late in the morning, then veering northeast early in the afternoon becoming northeast 10 to 15 knots late in the afternoon. Patchy fog in the morning. Isolated showers in the morning. Waves 1 to 2 feet. Tonight - Northeast wind 5 to 10 knots veering east early in the morning. Mostly clear. Waves 1 to 2 feet. Saturday - Southeast wind 5 to 10 knots rising to 10 to 15 knots in the late morning and early afternoon, then becoming southeast 10 to 15 knots late in the afternoon. Slight chance of showers and Thunderstorms in the afternoon. Waves 1 to 2 feet. Saturday night - West wind 5 to 10 knots veering northwest late in the evening, then rising to 10 to 15 knots after midnight becoming northwest 10 to 15 knots early in the morning. Chance of Thunderstorms through around midnight. Slight chance of showers through the night. Slight chance of Thunderstorms after midnight. Waves 1 to 2 feet.

LMZ600
No data

FXUS63 KMKX 030716 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 216 AM CDT Fri May 3 2024

KEY MESSAGES

- Rain and thunderstorm chances Saturday afternoon into Saturday evening, followed by additional precipitation chances for the middle portions of next week.

SHORT TERM
Issued 215 AM CDT Fri May 3 2024

Today and Tonight:

Drier airmass moves into southern Wisconsin today. Clouds will hold on over eastern portions of the forecast area early this morning, but expect to give way to mostly sunny skies by late this morning and afternoon. Generally clear skies are expected for tonight. Light winds also become established through tonight with weak surface high pressure.

KPL

LONG TERM
Issued 215 AM CDT Fri May 3 2024

Saturday through Thursday:

Models remain in fairly good agreement for this weekend and Monday. Next mid level shortwave trough still expected to impact southern Wisconsin by Saturday afternoon. It is a quick mover, but it should provide lift over the area through early Saturday evening. Thinking enough daytime heating and surface moisture convergence will lead to at least scattered thunderstorm coverage in this time range. Will mention this in our messaging, but not sure all parameters are there for anything more than a few strong thunderstorms.

Southern Wisconsin then gets another cold frontal passage in the early to mid evening hours on Saturday. More dry air behind this front for clearing and cooler temperatures Saturday night.
Rising heights aloft for Sunday into Monday for dry and warm conditions across the forecast area.

The unsettled part of this forecast looks to be Tuesday through Thursday with a broad upper level trough setting up over the northern plains. Energy rotates around this trough into the great lakes beginning on Tuesday. Lower and mid level moisture will be in place for the potential of widespread rain and embedded thunderstorms, especially Tuesday afternoon and evening. Will continue to watch timing of this potential event.

The mid-week pattern should keep temperatures near or slightly below normal on Wednesday and Thursday with at least some showers and thunderstorms persisting across southern Wisconsin.

KPL

AVIATION
Issued 215 AM CDT Fri May 3 2024

MVFR conditions will improve to VFR shortly after 12Z this morning over southern Wisconsin. Drier air advects in from the west with little cloud cover expected by this afternoon. VFR conditions or a generally clear sky continues into tonight with light surface winds at all terminals.

KPL

MARINE
Issued 215 AM CDT Fri May 3 2024

Showers exit Lake Michigan this morning. High pressure of 30.1 inches and lighter winds are expected later this afternoon and tonight. Some low level moisture returns on Saturday ahead of a cold front. This front will move across Lake Michigan on Saturday evening, before high pressure around 30.1 inches again moves into the region for Sunday. Winds are expected to be light to breezy across Lake Michigan through the upcoming weekend.

KPL

MKX WATCHES/WARNINGS/ADVISORIES
WI...None.
LM...None.

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