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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 1300 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1300Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0734 AM CDT Tue Apr 07 2026

Valid 071300Z - 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 thunderstorm potential is currently expected to
remain low.

...Synopsis...
Split/nearly zonal upper-level flow will prevail across most of the
CONUS to the south of an amplifying trough from the Canadian Rockies
southeastward toward the northern High Plains, and in the wake of
low-amplitude troughs crossing both New England and Florida today.

...Florida Peninsula...
Scattered thunderstorms should increase across the Florida Peninsula
into the afternoon, influenced by the passing mid-level trough and
sea-breeze convergence in the presence of a very moist airmass. A
few of the storms across the southern Florida Peninsula could
produce locally strong thunderstorm winds, but severe potential
should remain relatively low.

...Northern High Plains...
Isolated high-based storms are expected across the northern High
Plains, including eastern Montana into western North Dakota, aided
by the approach of the aforementioned upper trough. Storms will
develop atop a relatively dry/well-mixed boundary layer, but with
very limited buoyancy overall. Given the dry boundary layer and
strengthening mid-tropospheric winds, strong and gusty winds may
accompany this convection during the late afternoon until around
sunset.

..Guyer/Weinman.. 04/07/2026


Read more CHECK UPDATE ZOOM GRAPHIC


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