Severe thunderstorm warnings have been issued throughout central Indiana with a line of extreme storms which have additionally produced twister warnings.
INDIANAPOLIS — Another spherical of extreme climate is transferring through central Indiana Monday night time. Angela Buchman and Sean Ash are offering dwell updates from the storm on WTHR+.
At 10:45 p.m, Duke Energy reported 6,594 prospects with out energy, whereas AES Indiana reported 958 outages throughout Indianapolis.
Severe storm updates
10:55 p.m. – A Tornado Warning was issued till 11:15 p.m. for southern Hendricks, northern Johnson, southern Marion and northeastern Morgan counties. A storm with radar-indicated rotation was situated over Mooresville, transferring east at 55 mph.
The National Weather Service says impacted areas embrace Indianapolis, Greenwood, Franklin, Beech Grove, Mooresville, Southport, New Whiteland, Whiteland, Brooklyn, Homecroft, Lake Hart, Waverly, and Camby.
10:24 p.m. – A extreme thunderstorm warning is in impact till 11 p.m. Monday for Grant, Hamilton, Hancock, Marion and Miami counties.
10:18 p.m. – Trees and energy traces are reported down close to Purdue University in Lafayette as a consequence of extreme thunderstorms that moved through the realm Monday night time.
10:07 p.m. – A Severe Thunderstorm Warning has been issued till 10:45 p.m. for Boone, Clinton, Hamilton, Hendricks, Howard, Madison, Marion and Tipton counties and Owen and Putnam counties till 11 p.m.
9:50 p.m. – A Tornado Warning has been prolonged till 10:15 p.m. for Boone, Clinton, Fountain, Montgomery and Tippecanoe counties.
A extreme thunderstorm able to producing a twister was situated 12 miles southwest of Frankfort round 9:45 p.m., transferring east at 50 mph, in keeping with the National Weather Service. The storm, which included radar-indicated rotation, is more likely to affect Frankfort, Thorntown, Kirklin, Colfax, Clarks Hill and Michigantown. It will cross Interstate 65 between mile markers 145 and 162, southeast of Lafayette.
8 pm Update 4/27/2026
Windy however quiet from a radar perspective round Indy…for now. Heavy rain axis continues to trigger flooding in south-central Indiana and areas of wind injury with some 5,000 prospects with out energy in Jackson/Jennings counties mixed. The ambiance alongside the I-70 hall stays secure close to the floor right now.
We’re monitoring a line of intense storms in a way more favorably sheared/unstable setting in Illinois that is prompting wind and twister warnings. It’s transferring rapidly towards Indiana…arriving now by 9 p.m. It stays unsure how lengthy it can stay extreme.
But it can have a strengthening low-level wind subject upfront of it to maintain damaging wind/rotation potential in play western and central Indiana till it exits Indiana round 1 a.m. Angela might be on WTHR+ each half-hour and on Channel 13 if any Tornado/Destructive Thunderstorm Warnings are issued.
5:25 pm 4/27/2026
Severe storms proceed in south-central Indiana the place a number of studies of quarter-sized (and better) hail have been reported and Flash Flood Warnings up from Vincennes, Logootee, and Bedford.
We’re watching an space of storms growing over Missouri and west-central Illinois.
Though our native ambiance has been labored over and instability is minimal north of the present storm axis… growing low-level wind fields will permit storms to our west to accentuate within the coming hours and produce a wind/twister risk after 7 pm.
A brand new Tornado Watch is as much as the Illinois/Indiana stateline till 10 pm. That Watch could also be expanded into Indiana later.
Hi-res modeling suggests parameters might be robust sufficient to assist some stronger tornadoes west of I-65 later this night.
Remain Weather Aware and count on further Watches/Warnings earlier than midnight.
We’ll proceed replace.
3:45 p.m. Monday, April 27 replace
A flood watch has been issued for the southwestern half of the state, together with Indianapolis, till 2 a.m. Additional heavy rain/storms may enhance localized totals to 3-5 inches and create flash flooding.
The major space of concern at the moment is south of I-70, the place extreme thunderstorm warnings proceed on the southern flank of this storm advanced from Linton-Bloomington-Columbus and factors south.
We’ll wait and see how a lot atmospheric restoration can happen earlier than the entrance farther west arrives later this night.
The extreme potential continues till round midnight.
We’ll have dwell protection on WTHR Channel 13 between 4-7 p.m. and all night on WTHR+.
1:25 p.m. Monday, April 27 replace
The storm line that is prompted a mix of extreme thunderstorm and twister warnings in Illinois is close to the Illinois/Indiana border.
The setting in entrance of it at the moment in Indiana shouldn’t be as favorable for extreme climate, however they could change later right this moment. We’ll be watching carefully. At minimal, it brings a spherical of rain and rumbles to affect the afternoon rush.
We do count on further improvement to happen downstream and the chance of storms “training” close to/south of the Interstate 70 hall, upping the percentages of flash flooding this night. Localized areas of three”+ rainfall are seemingly inside the rapidly moistening airmass.
The highest likelihood for extreme wind/rotation/tornadoes stays close to/south of I-70 and west of I-65.
It’s necessary to have methods to get any warnings that could be issued between now and midnight.
The present extreme thunderstorm watch (yellow) goes till 7 pm. Additional watches/warnings are anticipated.
12:30 p.m. Monday, April 27 replace
A extreme thunderstorm watch is in impact till 7 p.m. for central/western Indiana.
A fancy of storms in Illinois is holding its personal and is heading this fashion. It’s had a historical past of some wind injury/rotation.
Plan on heavy storms impacting the afternoon commute and excessive impacts to after-school actions.
The setting domestically is not as favorable proper now, so we’ll see how a lot power they keep.
The storms are on the IL/IN line at the moment and can attain the Indy metro space between 3 p.m. and 4 p.m., and east of I-65 by 6 p.m.
Severe wind gusts and rotation are attainable, along with flooding rain.
Rain/storms proceed many of the night alongside the I-70 hall, however the focus for extreme wind/rotation shifts to southwestern Indiana on the southern facet of the storm line.
The risk of extreme climate ends by 1 a.m.-2 a.m.
We’ll be on WTHR+ continuously this afternoon/night and on Channel 13 if any twister or damaging thunderstorm warnings are issued on our space.
Multiple waves of storms Monday
For this morning, a weakening wave of rain may carry a couple of stray showers as a heat entrance lifts through Indiana.
The Missouri advanced of storms will arrive within the mid-afternoon, roughly round 3 p.m. This might be a low-end extreme risk, however gusty winds, lightning/thunder and temporary heavy rainfall may result in localized flooding.
We’ll have to attend and see how this primary spherical of storms impacts our ambiance and the subsequent spherical of storms that’s set to reach after sundown.
Severe storm threat timeline: Monday 8 p.m. – 2 a.m. Tuesday
Severe storm threat forecast: The Storm Prediction Center has positioned the western tier of Indiana beneath a Level 3 of 5 threat for scattered extreme storms attainable. For now, storms will seemingly weaken as they observe east, so the remainder of Indiana is at the moment beneath a Level 2 of 5 threat for a much less widespread extreme storm threat.
Primary threats: As storms initially develop in Illinois, all modes of extreme climate might be attainable, together with tornadoes, giant hail and extreme wind gusts. As these storms are forecast to merge right into a line because the system tracks east into Indiana, the first risk will shift to primarily damaging wind gusts, however a couple of embedded rotating storms cannot be dominated out.
The line is forecast to weaken because it strikes from west to east throughout Indiana and ends round 2 a.m. Tuesday. A couple of gentle showers will linger through Tuesday morning.
Cooler development begins Wednesday
Another storm system is about to maneuver through late Tuesday into early Wednesday morning, bringing one other spherical of rain and remoted storms. The system will function a game-changer with our temperature development. A cooler air mass will develop into extra dominant over the area, dropping temperatures for Wednesday through the rest of the prolonged forecast.
The chilly forecast stays in play for Mini-Marathon Saturday, with morning temperatures dropping as cool because the higher 30s and highs solely within the higher 50s.
-13Weather Meteorologist Lindsey Monroe
