Area Forecast Discussion
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
098 FXUS63 KMKX 270147 AFDMKX Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 847 PM CDT Fri Jul 26 2024 .KEY MESSAGES... - Heat returns Monday with heat index values in the lower 90s through most of the week - On and off thunderstorm chances will begin Sunday and continue through the week. && .UPDATE... Issued 847 PM CDT Fri Jul 26 2024 Quiet weather continues tonight, with mostly clear skies and lows in the 50s. Boxell && .SHORT TERM... Issued 233 PM CDT Fri Jul 26 2024 Tonight and Saturday: Clear skies and light winds will continue through Saturday as surface high pressure moves across Lower Michigan and the eastern Great Lakes region. Northeast mid level flow behind the mid level ridge over Iowa may push some smoke aloft into eastern and southern Wisconsin this evening contributing to hazy skies. It will be a bit warmer and more humid on Saturday with highs in the lower 80s. Marquardt && .LONG TERM... Issued 233 PM CDT Fri Jul 26 2024 Saturday night through Friday: There is a 30% chance of thunderstorms with heavy downpours each day. As the surface high shifts to the east coast, southerly flow behind it will bring a push of gulf moisture into the region. PWs surge to 2 on Sunday and approach 2 at times throughout the week. A closed mid level low will lift northward into southern Wisconsin Sunday afternoon providing a source of lift for scattered thunderstorms. Not expecting severe weather with shear around 20 knots and lack of an upper jet. A mid level ridge over the western U.S. will set up with shortwaves moving through at times during the week. Instability will remain for chances of storms at times through the week. Temperatures will increase as southwest 850mb flow advects heat in from the west. Heat index values will in the upper 80s on Monday and reaching the lower to mid 90s mid week. Marquardt && .AVIATION... Issued 847 PM CDT Fri Jul 26 2024 VFR conditions will prevail over the next 24 hours. Clear skies are expected tonight, with just a few fair weather clouds developing on Saturday. Winds will be from the south inland, with a southeasterly direction closer to Lake Michigan. Boxell && .MARINE... Issued 233 PM CDT Fri Jul 26 2024 High pressure will slowly shift east and light southeast to south winds will continue through early next week. South winds may reach 20 knots Saturday and Sunday afternoons. Marquardt && .MKX WATCHES/WARNINGS/ADVISORIES... WI...None. LM...None. && $$ Visit us at weather.gov/milwaukee Follow us on Facebook, Twitter, and YouTube at: www.facebook.com/NWSMilwaukee www.twitter.com/NWSMilwaukee www.youtube.com/NWSMilwaukee