LIVE MAP (ABOVE) ... SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0749 PM CDT Thu Oct 15 2026
Valid 160100Z - 161200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
SOUTHERN IN INTO OH...
...SUMMARY...
Thunderstorms capable of localized strong/damaging gusts and
possibly a brief tornado remain possible this evening across parts
of southern Indiana into Ohio.
...Parts of IN/OH...
A small storm cluster is ongoing this evening across southern IN,
near the intersection of a surface trough and warm front. As a
vigorous mid/upper-level shortwave trough and deepening surface low
move across the Great Lakes this evening, the warm front will
continue to move northward. Modest buoyancy within the persistent
low-level warm-advection regime will allow for maintenance of
convection through parts of OH into the Lower Great Lakes, though
surface-based buoyancy will become increasingly scant with time and
northeastward extent.
In the short term, locally damaging wind will be possible with the
strongest storms. Favorable low-level shear/SRH may also support a
brief-tornado threat, though this threat should eventually diminish
as convection tends to become increasingly elevated. Some threat for
localized strong/damaging gusts could spread across OH through late
evening, before increasing low-level stability results in a
diminishing threat.
..Dean.. 10/16/2026
Read more CHECK UPDATE ZOOM GRAPHIC
http://dlvr.it/TVx5dv
Windy.com Temps | Gusts | WU KORD KPWK |
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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).
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.
CONVECTIVE | TORNADO | WIND | HAIL
O'Hare International Airport KORD
(Arlington Heights South)
Chicago Executive Airport KPWK
(Arlington Heights North)
Thursday, October 15, 2026
SPC Oct 16, 2026 0100 UTC Day 1 Convective Outlook
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)




















