Full Breakdown
May 12 2026 Cold Front Sparks Showers Across Mid-Atlantic and Midwest, Sets Up Warm Weekend
5/13/2026, 12:25:06 AM
Cold Front Brings Showers
On Tuesday, May 12, an eastward-moving cold front generated two shower waves and isolated storms in Baltimore and southeastern Wisconsin. Maryland received 0.25-0.50 in rain with 10-20 mph winds gusting to 30 mph; Milwaukee saw brief thunderstorms, 35-40 mph gusts, and temps dropping to the 40s. The system also produced gusty winds that briefly intensified conditions.
Context
Early May typically brings near-summer highs; the front introduced cooler, moist air while a high-pressure ridge kept Hawaii warm.
Timeline
May 12 morning: light rain in Milwaukee, sunny Baltimore. Afternoon: second Maryland shower wave, possible Wisconsin thunderstorms. Evening: front passes Milwaukee, temps to 40s; rain continues in Maryland. May 13: cooler breezy, 60 °F high in Milwaukee.
Key Data
Maryland highs: upper 60s-low 70s (Tue), mid-70s (Wed); rain 0.25-0.50 in. Milwaukee highs: low 70s (Tue), 60 °F (Wed), mid-70s (Fri), ~80 °F (Sat).
Event Impacts
The Orioles-Yankees game (68 °F) and Preakness (low 80s) proceeded; Columbus County faced flood risk; Omaha voters got shower advisories.
Official Statements
NWS forecasters highlighted breezy southwest winds ahead of the front and warned that thunderstorms were possible as the cold front approached. Local stations urged caution for heavy rain.
Concerns
Officials warned isolated heavy rain could cause brief flooding, and western Maryland residents were cautioned about the potential for stronger storms on higher terrain.
Conflicting Reports
Rainfall estimates differ: Maryland forecasts list 0.25-0.50 in, while the Milwaukee forecaster described the rain as likely light. Thursday temperature ranges in Maryland vary between reports of upper 60s and mid-50s.
Verbatim Quotes
- “Because the cold front is still to the west, we're going to have breezy southwest winds ahead of the front, which is going to get us nice and mild today – especially if we are able to pop any sun this afternoon,” — Denny VanCleve, Meteorologist, National Weather Service, Milwaukee/Sullivan
- “Wind gusts could reach as high as 35 or 40 mph, he added.” — Denny VanCleve
- “It'll move through the Milwaukee area, and then we'll cool off to 40s tonight, and the high is only around 60 [on Wednesday, May 13],” — Denny VanCleve
- “More: Stay up to date on Wisconsin's winter weather with USA TODAY Network text message updates By late afternoon and early evening, thunderstorms are possible as the cold front nears.” — Denny VanCleve
- “By Friday, May 15, Milwaukee's temps will likely reach mid-70s, and may even get close to 80 degrees by Saturday, May 16.” — Denny VanCleve
Outlook
NWS expects a high-pressure ridge Thursday, raising temps to 80s for the Preakness and 90s for Columbus/Cobb counties; Maui’s trade-wind trough monitored.
Summary
Overall, the front’s passage illustrates the region’s rapid weather swings and sets the stage for a notably warmer weekend across the eastern seaboard.
