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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER
O'Hare International Airport KORD (Arlington Heights South)
Chicago Executive Airport KPWK (Arlington Heights North)

Tuesday, April 7, 2026

SPC Apr 7, 2026 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1154 PM CDT Mon Apr 06 2026

Valid 071200Z - 081200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated to scattered thunderstorms are expected today across parts
of the Florida Peninsula, the southern Rockies, and northern High
Plains. Severe thunderstorms are not expected.

...Synopsis...
A mid-level trough will eject over the Atlantic while another
pronounced mid-level trough rapidly traverses the northern Rockies
today. Meanwhile, multiple low-amplitude impulses traversing
relatively zonal upper flow will overspread the Southwest and the FL
Peninsula. Across the Southern Rockies, enough lift amid cool air
aloft (and thus scant buoyancy) should accompany the aforementioned
low-amplitude mid-level impulse to support isolated to potentially
scattered thunderstorm development. Scattered thunderstorms may also
develop across the FL Peninsula along sea-breeze boundaries given a
moist, heated low-level airmass. Scattered high-based/low-topped
storms are likely across the northern High Plains with the approach
of the upper trough. Storms will develop atop a deep and dry
boundary layer, but with scant buoyancy. Given the dry boundary
layer, gusty conditions may accompany the stronger storms. However,
the severe wind threat currently appears too low for the
introduction of a Category 1/Marginal risk at this time.

..Squitieri/Chalmers.. 04/07/2026


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