46°F
Updated:
3/26/2026
9:57:37pm
SPC Severe Thunderstorm Watch 76
WW 76 SEVERE TSTM IA IL IN 262115Z - 270400Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 76
NWS Storm Prediction Center Norman OK
515 PM EDT Thu Mar 26 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Southeast Iowa
Central and Northern Illinois
Central and Northern Indiana
* Effective this Thursday afternoon from 515 PM until Midnight
EDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
A tornado or two possible
SUMMARY...Scattered severe thunderstorms are forecast to develop
into the evening with the stronger thunderstorms being capable of a
risk for large to very large hail and severe gusts. A tornado is
also possible, mainly over portions of eastern and northern Indiana.
This activity should gradually shift east-southeast during the
evening with the risk for severe wind gusts eventually becoming the
primary hazard.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 30 miles southwest of
Burlington IA to 30 miles southeast of Fort Wayne IN. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 75...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
28040.
...Smith
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SPC Tornado Watch 75
WW 75 TORNADO OH PA WV LE 262050Z - 270300Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 75
NWS Storm Prediction Center Norman OK
450 PM EDT Thu Mar 26 2026
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northern Half of Ohio
Western Pennsylvania
West Virginia Panhandle
Lake Erie
* Effective this Thursday afternoon and evening from 450 PM until
1100 PM EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter likely
SUMMARY...Scattered severe thunderstorms are forecast to develop and
intensify through the late afternoon and into the evening. A mix of
supercells and organized line segments will pose a risk for large
hail, severe gusts, and the possibility for a couple of tornadoes.
The tornado watch area is approximately along and 60 statute miles
north and south of a line from 60 miles west of Findlay OH to 35
miles southeast of Franklin PA. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 28045.
...Smith
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SPC Severe Thunderstorm Watch 76 Status Reports
WW 0076 Status Updates

STATUS REPORT ON WW 76
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NW MLI TO
30 NNW PIA TO 20 NW BMI TO 30 NW DNV TO 35 SE FWA.
..CHALMERS..03/27/26
ATTN...WFO...DVN...LSX...ILX...LOT...IWX...IND...
STATUS REPORT FOR WS 76
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC001-009-017-019-021-029-039-041-045-057-067-071-095-107-109-
113-115-125-129-131-137-139-143-147-149-167-169-171-173-179-183-
187-270240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
ADAMS BROWN CASS
CHAMPAIGN CHRISTIAN COLES
DE WITT DOUGLAS EDGAR
FULTON HANCOCK HENDERSON
KNOX LOGAN MCDONOUGH
MCLEAN MACON MASON
MENARD MERCER MORGAN
MOULTRIE PEORIA PIATT
PIKE SANGAMON SCHUYLER
SCOTT SHELBY TAZEWELL
VERMILION WARREN
INC009-011-021-023-035-045-053-057-059-063-065-067-075-081-095-
097-107-109-119-121-133-135-139-145-157-159-165-167-171-
270240-
IN
Read more
SPC Tornado Watch 75 Status Reports
WW 0075 Status Updates

STATUS REPORT ON WW 75
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE FWA TO
20 WSW FDY TO 10 SSE MFD TO 30 NW PIT TO 20 SW DUJ.
..CHALMERS..03/27/26
ATTN...WFO...IWX...CLE...ILN...PBZ...
STATUS REPORT FOR WT 75
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC041-161-177-270240-
IN
. INDIANA COUNTIES INCLUDED ARE
FAYETTE UNION WAYNE
OHC003-011-013-019-021-023-031-037-041-045-047-049-057-059-065-
067-075-081-083-089-091-097-101-107-109-113-117-119-129-135-149-
157-159-161-270240-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN AUGLAIZE BELMONT
CARROLL CHAMPAIGN CLARK
COSHOCTON DARKE DELAWARE
FAIRFIELD FAYETTE FRANKLIN
GREENE GUERNSEY HARDIN
HARRISON HOLMES JEFFERSON
KNOX LICKING LOGAN
MADISON MARION MERCER
MIAMI MONTGOMERY MORROW
MUSKINGUM PICKAWAY PREBLE
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SPC MD 296
MD 0296 CONCERNING TORNADO WATCH 75... FOR EAST-CENTRAL OHIO...WESTERN PENNSYLVANIA

Mesoscale Discussion 0296
NWS Storm Prediction Center Norman OK
0925 PM CDT Thu Mar 26 2026
Areas affected...East-central Ohio...western Pennsylvania
Concerning...Tornado Watch 75...
Valid 270225Z - 270330Z
The severe weather threat for Tornado Watch 75 continues.
SUMMARY...The severe weather threat should gradually diminish after
03z/11 pm EDT and, although an isolated strong/severe storm will
remain possible, the overall threat is such that an additional watch
is not anticipated.
DISCUSSION...Isolated strong/severe storms were in progress at 0220z
along the cold front across east-central OH and southwest PA, with a
recent history of large hail and near severe gusts. As the storms
move southeast into a less favorable thermodynamic environment
(MUCAPE less than 500 J/kg) after 03-04z, an overall weakening trend
is expected. Although a localized risk for a strong/severe storm
may persist beyond the scheduled expiration of Tornado Watch 75 at
03z, the risk is expected to remain confined in space and time, and
an additional downstream watch is not expected.
..Bunting.. 03/27/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...CTP...PBZ...RLX...CLE...ILN...
LAT...LON 40318212 40528046 40517956 40477926 40277908 40047925
39837969 39728015 39718052 39698124 39708176 39778194
39978255 40268247 40318212
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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SPC MD 295
MD 0295 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR PORTIONS OF FAR EASTERN KANSAS INTO NORTHERN MISSOURI AND FAR SOUTHERN IOWA

Mesoscale Discussion 0295
NWS Storm Prediction Center Norman OK
0758 PM CDT Thu Mar 26 2026
Areas affected...portions of far eastern Kansas into northern
Missouri and far southern Iowa
Concerning...Severe potential...Watch unlikely
Valid 270058Z - 270300Z
Probability of Watch Issuance...20 percent
SUMMARY...An increase in thunderstorm coverage is expected over the
next few hours to the north of a surface cold front currently
analyzed across portions of northern/central Missouri, with
marginally severe hail possible. Watch issuance is not expected at
this time.
DISCUSSION...Thunderstorm development is ongoing across portions of
far southern Iowa, with a recent uptick in lightning activity noted.
Additional activity is expected to expand southwestward into
portions of northern/central Missouri and eastern Kansas over the
next few hours as modest mid-level ascent overspreading the frontal
zone erodes a lingering mid-level warm layer evident in the 00Z TOP
sounding near 600-650 mb. This is supporting 500-1000 J/kg MUCAPE
per latest mesoanalysis. Modestly steep mid-level lapse rates around
6.5-7 C/km and effective bulk shear of 35-45 kts may support some
potential for isolated severe hail, particularly with any stronger
cores that can become better established. Narrow buoyancy profiles
and limited instability within the hail growth zone should temper
the overall threat, however.
..Chalmers/Guyer.. 03/27/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...LSX...DVN...SGF...DMX...EAX...TOP...
LAT...LON 39759496 40049454 40399390 40889320 41129264 41109225
40909192 40439160 39979140 39439132 38869153 38509199
38199293 38059345 37939396 37939450 38049499 38259534
38609551 39059539 39449518 39759496
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
Read more
SPC Mar 27, 2026 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0747 PM CDT Thu Mar 26 2026
Valid 270100Z - 271200Z
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE MIDWEST AND OHIO VALLEY...
...SUMMARY...
Scattered severe thunderstorms are expected this evening across
parts of the Midwest and Ohio Valley. Large to very large hail, a
few tornadoes, and damaging winds will all be possible.
...Midwest/Ohio Valley...
The latest water vapor imagery shows west-northwesterly mid-level
flow over the southern Great Lakes, Midwest and Ohio Valley, with a
subtle shortwave trough evident within the flow over far northwest
Illinois. At the surface, a cold front is located from central
Illinois east-northeastward into north-central Ohio. Scattered
strong to severe thunderstorms are ongoing near the front, extending
northward into the cooler air about 150 statute miles. The best
environment currently appears to be located from far eastern Indiana
eastward to east of Columbus, Ohio, where RAP analysis shows a
west-to-east axis of MLCAPE in the 1000 to 1500 J/kg range. RAP
forecast soundings near this axis of instability have 0-6 km shear
in the 50 to 60 knot range with 700-500 mb lapse rates near 7 C/km.
Cells are currently discrete within this environment, which will
continue to favor supercells with large hail. Hailstones greater
than 2 inches in diameter appear likely with the more intense
supercells. In addition, low-level lapse rates are also steep, which
will support a wind-damage threat. A few gusts above 70 knots will
be possible. Also, forecast soundings within this unstable airmass
have 0-3 km storm-relative helicity in the 400 to 450 m2/s2 range,
suggesting that a tornado threat will continue with the more intense
supercells. The severe threat will likely be maximized within this
corridor over the next few hours...see MCD 293. The severe threat
should expand eastward across far eastern Ohio and into western
Pennsylvania.
Further west into parts of Indiana and Illinois, the strongest
storms are currently located near and to the east of Indianapolis.
Although the storms are not as strong westward into central and
northern Illinois, convective intensity is expected to increase as
the shortwave trough moves eastward across the state, along with the
exit region of a mid-level jet. Scattered severe storms are expected
to develop over the next couple of hours, and a cluster or line
could become organized...see MCD 294. Isolated severe storms will
also be possible further west into parts of Missouri and far eastern
Kansas later this evening.
..Broyles.. 03/27/2026
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SPC Day 3-8 Fire Weather Outlook
SPC Day 3-8 Fire Weather Outlook

Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0441 PM CDT Thu Mar 26 2026
Valid 281200Z - 031200Z
...Day 3/Saturday...
In the wake of a robust midlevel trough moving across the Northeast,
surface high pressure will shift eastward from the mid MS Valley to
the East Coast. At the same time, broad/enhanced zonal midlevel flow
across the northern/central Rockies will promote lee troughing over
the High Plains. Between the surface high and lee troughing, a tight
pressure gradient and strong low-level jet will yield 20+ mph
sustained southerly surface winds (with higher gusts) amid 20-25
percent RH across much of the central Plains. Given dry/receptive
fuels, critical fire-weather conditions are expected.
Over the Southeast, dry and breezy conditions are expected along the
southern periphery of the surface high. This will likely result in a
broad area of elevated to perhaps locally critical fire-weather
conditions during the afternoon.
...Days 3-5/Saturday-Monday - Central Rockies/High Plains...
A prolonged period of moderate midlevel westerly flow is expected
across the northern/central Rockies and adjacent High Plains.
Several embedded impulses will promote the development of lee
cyclones/troughing across the region, resulting in dry/breezy
downslope flow and the potential for elevated to critical
fire-weather conditions each afternoon.
...Dry Thunderstorms...
At the leading edge of a midlevel moisture plume emanating from the
eastern Pacific, isolated thunderstorms will be possible across
parts of the Southwest on Day 4/Sunday. The midlevel moisture atop a
dry antecedent boundary layer will support dry/high-based
thunderstorms. Thunderstorm potential will persist across the region
into next week, though increasing boundary-layer RH limits
confidence in the associated fire risk.
..Weinman.. 03/26/2026
...Please see www.spc.noaa.gov/fire for graphic product...
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