Alert archive / Indiana / Flash Flood Warnings in 2026
Flash Flood Warning 53, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Aug 12, 2026, 1:02 PM EDT for Boone County, Hamilton County, Indiana. It was in force for 7 hr. 39 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 12, 2026, 1:02 PM EDT (17:02 UTC)
- Expired
- Aug 12, 2026, 7:53 PM EDT
- In force
- 7 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, IN, Hamilton County, IN
The radar
The Indianapolis radar (KIND), 47 km from the middle of the area, began a volume at 17:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 1:46 PM EDT | RAIN 1.26 | 4 Sw Westfield, IN | Amount from 1230 PM to 140 PM EDT. |
| Aug 12, 1:46 PM EDT | RAIN 1.26 | 4 Sw Westfield, IN | Amount from 1230 PM to 140 PM EDT. |
| Aug 12, 1:46 PM EDT | RAIN 1.26 | 4 Sw Westfield, IN | Amount from 1230 PM to 140 PM EDT. |
| Aug 12, 3:00 PM EDT | RAIN 1.34 | 1 E Arcadia, IN | Mesonet station CCAI3 1.1 E Arcadia. |
| Aug 12, 3:00 PM EDT | RAIN 1.34 | 1 E Arcadia, IN | Mesonet station CCAI3 1.1 E Arcadia. |
| Aug 12, 3:00 PM EDT | RAIN 2.53 | 3 Se Noblesville, IN | Mesonet station SCNI3 2.7 SE Noblesville. |
| Aug 12, 3:00 PM EDT | RAIN 2.53 | 3 Se Noblesville, IN | Mesonet station SCNI3 2.7 SE Noblesville. |
| Aug 12, 3:30 PM EDT | RAIN 2.02 | 1 Wsw Carmel, IN | Mesonet station CARIN 1 WSW Carmel. |
| Aug 12, 3:30 PM EDT | RAIN 2.02 | 1 Wsw Carmel, IN | Mesonet station CARIN 1 WSW Carmel. |
| Aug 12, 3:45 PM EDT | RAIN 1.2 | 4 Nnw Whitestown, IN | Mesonet station GW0557 Lebanon. |
| Aug 12, 3:45 PM EDT | RAIN 1.42 | 1 Se Noblesville, IN | Mesonet station NBLI3 1.0 SE Noblesville. |
| Aug 12, 3:45 PM EDT | RAIN 1.42 | 1 Se Noblesville, IN | Mesonet station NBLI3 1.0 SE Noblesville. |
| Aug 12, 3:50 PM EDT | RAIN 1.65 | 3 Wnw Lapel, IN | Mesonet station 7325D 2 W Lapel. |
| Aug 12, 3:50 PM EDT | RAIN 2.18 | 2 Se Zionsville, IN | Mesonet station 9502D 1 ESE Zionsville. |
| Aug 12, 3:50 PM EDT | RAIN 2.65 | 4 Nw Fortville, IN | Mesonet station 3249D 4 NW Fortville. |
| Aug 12, 3:55 PM EDT | RAIN 1.42 | 3 Nne Fishers, IN | Mesonet station GW2984 Noblesville. |
| Aug 12, 3:55 PM EDT | RAIN 1.58 | 1 Ssw Fishers, IN | Mesonet station FSHRW Fishers. |
| Aug 12, 3:55 PM EDT | RAIN 1.86 | 3 Ene Fishers, IN | Mesonet station FSHHM 3 ENE Fishers. |
| Aug 12, 3:55 PM EDT | RAIN 2.66 | 4 Nw Fortville, IN | Mesonet station FW9355 Fishers. |
| Aug 12, 3:57 PM EDT | RAIN 2.08 | 2 E Fishers, IN | Mesonet station GW5895 FISHERS. |
| Aug 12, 3:58 PM EDT | RAIN 1.78 | Fishers, IN | Mesonet station GW2575 Fishers. |
| Aug 12, 3:58 PM EDT | RAIN 1.78 | Fishers, IN | Mesonet station GW2575 Fishers. |
| Aug 12, 4:00 PM EDT | FLASH FLOOD | 3 Nne Fishers, IN | Pictures received of flooded roads across the Carmel, Fishers, and Noblesville areas. |
| Aug 12, 4:00 PM EDT | FLASH FLOOD | 3 Nne Fishers, IN | Pictures received of flooded roads across the Carmel, Fishers, and Noblesville areas. |
| Aug 12, 4:00 PM EDT | RAIN 1.31 | 4 Ne Zionsville, IN | Mesonet station DW4207 Queen Creek. |
| Aug 12, 4:00 PM EDT | RAIN 2.05 | 3 Ne Fishers, IN | Mesonet station AX516 FISHERS. |
| Aug 12, 6:00 PM EDT | RAIN 1.31 | 1 E Arcadia, IN | Mesonet station CCAI3 1.1 E Arcadia. |
| Aug 12, 6:00 PM EDT | RAIN 1.31 | 1 E Arcadia, IN | Mesonet station CCAI3 1.1 E Arcadia. |
| Aug 12, 7:15 PM EDT | RAIN 1.2 | 4 Nnw Whitestown, IN | Mesonet station GW0557 Lebanon. |
| Aug 12, 7:15 PM EDT | RAIN 1.99 | 1 Wsw Carmel, IN | Mesonet station CARIN 1 WSW Carmel. |
| Aug 12, 7:20 PM EDT | RAIN 1.43 | 3 Wnw Lapel, IN | Mesonet station 7325D 2 W Lapel. |
| Aug 12, 7:20 PM EDT | RAIN 2.07 | 2 Se Zionsville, IN | Mesonet station 9502D 1 ESE Zionsville. |
| Aug 12, 7:20 PM EDT | RAIN 2.61 | 4 Nw Fortville, IN | Mesonet station 3249D 4 NW Fortville. |
| Aug 12, 7:25 PM EDT | RAIN 1.57 | 1 Ssw Fishers, IN | Mesonet station FSHRW Fishers. |
| Aug 12, 7:25 PM EDT | RAIN 1.82 | 3 Ene Fishers, IN | Mesonet station FSHHM 3 ENE Fishers. |
| Aug 12, 7:27 PM EDT | RAIN 2.02 | 3 Ne Fishers, IN | Mesonet station AX516 FISHERS. |
| Aug 12, 7:28 PM EDT | RAIN 2.04 | 2 E Fishers, IN | Mesonet station GW5895 FISHERS. |
| Aug 12, 7:30 PM EDT | RAIN 1.27 | 4 Ne Zionsville, IN | Mesonet station DW4207 Queen Creek. |
| Aug 12, 7:30 PM EDT | RAIN 1.74 | Fishers, IN | Mesonet station GW2575 Fishers. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 62 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.0 hours before the alert went out and 203 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2166 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1652 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
580
WGUS53 KIND 121702
FFWIND
INC011-057-122015-
/O.NEW.KIND.FF.W.0053.260812T1702Z-260812T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
102 PM EDT Wed Aug 12 2026
The National Weather Service in Indianapolis has issued a
* Flash Flood Warning for...
Boone County in central Indiana...
Hamilton County in central Indiana...
* Until 415 PM EDT.
* At 102 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 2 inches of rain have
fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Indianapolis, Carmel, Fishers, Noblesville, Lebanon, Zionsville,
Westfield, Cicero, Fortville, Whitestown, Sheridan, Arcadia,
Thorntown, Jamestown, Atlanta, Advance, Ulen and Morse Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4022 8586 3993 8586 3992 8670 4018 8670
4018 8624 4022 8624
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR
$$
Eckhoff3 follow-up statements
569
WGUS53 KIND 121801
FFWIND
INC011-057-122115-
/O.EXT.KIND.FF.W.0053.000000T0000Z-260812T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
201 PM EDT Wed Aug 12 2026
The National Weather Service in Indianapolis has extended the
* Flash Flood Warning for...
Boone County in central Indiana...
Hamilton County in central Indiana...
* Until 515 PM EDT.
* At 201 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1
hour. Additional rainfall amounts up to 0.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Indianapolis, Carmel, Fishers, Noblesville, Lebanon, Zionsville,
Westfield, Cicero, Fortville, Whitestown, Sheridan, Arcadia,
Thorntown, Jamestown, Atlanta, Advance, Ulen and Morse Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4022 8586 3993 8586 3992 8670 4018 8670
4018 8624 4022 8624
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR
$$
Eckhoff898
WGUS53 KIND 122018
FFWIND
INC011-057-130015-
/O.EXT.KIND.FF.W.0053.000000T0000Z-260813T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
418 PM EDT Wed Aug 12 2026
The National Weather Service in Indianapolis has extended the
* Flash Flood Warning for...
Boone County in central Indiana...
Hamilton County in central Indiana...
* Until 815 PM EDT.
* At 418 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Additional rainfall amounts up to 0.25 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Indianapolis, Carmel, Fishers, Noblesville, Lebanon, Zionsville,
Westfield, Cicero, Fortville, Whitestown, Sheridan, Arcadia,
Thorntown, Jamestown, Atlanta, Advance, Ulen and Morse Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4022 8586 3993 8586 3992 8670 4018 8670
4018 8624 4022 8624
FLASH FLOOD...RADAR INDICATED
$$
Eckhoff633
WGUS73 KIND 122353
FFSIND
Flash Flood Statement
National Weather Service Indianapolis IN
753 PM EDT Wed Aug 12 2026
INC011-057-130003-
/O.CAN.KIND.FF.W.0053.000000T0000Z-260813T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone IN-Hamilton IN-
753 PM EDT Wed Aug 12 2026
...FLASH FLOOD WARNING FOR BOONE AND HAMILTON COUNTIES HAS BEEN
REPLACED WITH A FLOOD WARNING...
Flash Flood threat has ended for the warned area but a flooding
threat continues.
&&
LAT...LON 4022 8586 3993 8586 3992 8670 4018 8670
4018 8624 4022 8624
$$
KFWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 10:41 AM EDT, 2 hours 21 minutes earlier. Its key messages:
- Marginally severe storms through daybreak along with potential additional flooding
- Flood Watch continues through today with additional strong to severe storms through the day, mainly during the afternoon
- Damaging winds will be the main threat today outside of flooding
- Storm chances continue through the rest of the week, severe weather threat looks lower
Area forecast discussion, Aug 12, 10:41 AM EDT, 2 hours 21 minutes before
Area Forecast Discussion...UPDATED National Weather Service Indianapolis IN 1041 AM EDT Wed Aug 12 2026 .KEY MESSAGES... - Marginally severe storms through daybreak along with potential additional flooding - Flood Watch continues through today with additional strong to severe storms through the day, mainly during the afternoon - Damaging winds will be the main threat today outside of flooding - Storm chances continue through the rest of the week, severe weather threat looks lower && .MESOSCALE UPDATE... Issued at 1041 AM EDT Wed Aug 12 2026 Mesoscale forcing is maximized from near Kokomo southeastward through Anderson, Muncie and New Castle where a subtle midlevel thermal/moisture gradient exist. Recent radar trends have shown and increase in convection in this area. With mean flow parallel to this, deep warm cloud layer, and anomalous moisture, training heavy rain-producing convective elements will likely continue in the near term resulting in significant flash flooding potential in this corridor. && .DISCUSSION (Today through Tuesday)... Issued at 133 AM EDT Wed Aug 12 2026 Overview. Active weather continues into today with additional rounds of showers and thunderstorms. A few storms could produce localized heavy rain and strong gusty winds this afternoon and evening with best chances across southwest Indiana. A front associated with the system will gradually move south into early Thursday with additional marginally severe storms through Friday. Rain chances generally look lower for the weekend with the jet stream further north into the Great Lakes. Rest of Tonight. The main focus through the remainder of the overnight hours will be additional thunderstorm development across eastern Indiana with the LLJ ramping up. Storm coverage has been gradually increasing over the last 2 hours with heavy rain being the main threat along with occasional pulses leading to small hail. General expectations are for these storms to grow upscale and move to the southeast with additional flooding from Madison County south to Decatur county. With the storms not backbuilding as much as they were initially, flash flooding should remain isolated with broader areal flooding being the main threat. Wednesday Through Thursday. Indiana remains locked into northwesterly flow with broad ridging across the Central Plains and broad troughing across the Great Lakes. Shortwaves within the upper level flow will continue to bring periods of showers and storms with upper-level forcing along the exit region of a 50-60 kt mid-level jet streak aloft. A weak surface front currently across northern Indiana is expected to slowly move south through the day but generally will only have minimal impacts on storm coverage timing as much of the forcing is being driven by the jet level forcing aloft. WAA and boundary layer heating will yield MLCAPE values ranging between 2500-3500 J/kg again today, supported by steep lapse rates exceeding 7.5 C/km above the boundary layer. While 0-6 km bulk shear vector magnitudes are modest at 25-35 kt, orientation roughly 45 degrees to the initiating boundary favors mixed mode convective structures, including multicellular clusters and bowing segments. HREF 2-5 km UH probability sweeps show maximum signal concentrated across central and southern Indiana between 21Z and 03Z with storms moving in from the west. Elevated DCAPE values above 1000 J/kg suggest damaging wind gusts will be the primary severe hazard, with steep mid-level lapse rates occasionally supporting isolated severe hail. PWATs nearing 1.8 to 2.0 inches, well above the 90th percentile, will support efficient warm-rain processes and localized torrential rainfall. Ahead of the stronger storms, initiation is likely across northern Indiana during the early morning hours today, but CAMs continue to struggle with properly diagnosing the current boundaries and impacts from the front, so confidence is lower on any impacts through the morning hours. Additional flooding looks likely, especially in areas that saw heavy rain during the overnight hours. LPMMs show pockets of 2-3 inches beyond what already fell, but confidence is very low in where this may occur with broader model spread on the location of the axis of heaviest rain. Thus, will keep the Flood Watch through 04Z and reevaluate later today. Convection will clear the southern CWA border late tonight as the surface cold front gradually drifts into closer to the Ohio River. Forecast confidence is fairly low into Thursday with more significant model divergence on the broader synoptic pattern and how the residual front may impact conditions. North of the front, temperatures will be much cooler with highs in the upper 70s to near 80 with minimal instability, while areas to the south of the front are likely to end up near 90. The severe threat generally should be on the warmer side with any convection to the north remaining elevated. Friday Through Tuesday. The broad synoptic regime during the extended period will feature a transition from post-frontal surface high pressure to mid-level ridge amplification across the Central Mississippi and Ohio Valleys. The 00Z GEFS and EPS are in have decent agreement through 00Z Monday, with the ridge over the Plains strengthening and pushing the jet stream further north into the Great Lakes. Daytime highs will climb from the lower 80s on Friday to the upper 80s and low 90s by Sunday as return southerly flow returns. Rain chances generally should remain limited to just the northern counties, but even that looks low. By Monday into Tuesday, ensemble guidance indicates a northern stream trough traversing the Canadian Prairies into the Great Lakes region, acting to flatten the mid-level ridge and push a surface cold front toward the lower Great Lakes. Guidance exhibits typical timing disparities regarding frontal passage dynamics, with the ECMWF and EPS ensemble mean slightly slower than the GFS and GEFS composite. Low-level moisture return along a re-establishing 30 kt LLJ will bring PWATs back toward 1.5-1.7 inches. Chance POPs have been maintained for Monday afternoon through Tuesday to account for scattered frontal convection driven by weak height falls and low- level convergence. && .AVIATION (12Z TAF Issuance)... Issued at 706 AM EDT Wed Aug 12 2026 Impacts: - Isolated showers or a stray storm cannot be ruled out near IND this morning along with MVFR ceilings - Additional convection later today, confidence highest towards mid afternoon - Fog development expected tonight, especially near LAF/HUF Discussion: Brief fog development will be possible through 13Z near LAF/HUF. Isolated showers or a stray storm cannot be ruled out near IND this morning along with MVFR ceilings. Additional storms are likely later today followed up by more widespread strong to severe storms in the afternoon and evening, mainly towards BMG/IND/HUF. Brief MVFR or worse conditions are possible with any thunderstorms. Outside of convection, winds will generally be south or southwesterly at 5-10kts through the TAF period. Fog development is expected by late tonight, especially near HUF/LAF. The LAF ASOS is currently out of service, so no AMDs are scheduled beyond typical TAF issuances due to low confidence on present weather. && .IND WATCHES/WARNINGS/ADVISORIES... Flood Watch through this evening for INZ021-028>031-035>049- 054>057-063>065-072. && MESOSCALE...BRB AVIATION...Melo DISCUSSION...White
Hazardous weather outlook, Aug 12, 11:11 AM EDT, 1 hour 51 minutes before
Hazardous Weather Outlook National Weather Service Indianapolis IN 1111 AM EDT Wed Aug 12 2026 INZ021-028>031-035>049-051>057-060>065-067>072-131515- Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone- Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam- Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby- Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess- Martin-Lawrence-Jackson-Jennings- 1111 AM EDT Wed Aug 12 2026 This hazardous weather outlook is for central Indiana. .DAY ONE...Through Tonight. Flooding and flash flooding will continue across eastern Indiana. More showers and storms are expected. This may result in additional flooding or a worsening of ongoing flooding. Damaging winds will also be possible with thunderstorms this afternoon and into the evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thunderstorms will be possible at times through the week, with potential for multiple rounds of severe storms through at least Thursday. Damaging winds and heavy rainfall will be the primary threats. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to remain vigilant this week as multiple rounds of severe storms will be possible. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind JP
In the hours before
Special weather statement, Aug 12, 12:47 PM EDT, 15 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
1247 PM EDT Wed Aug 12 2026
INZ063-121715-
Brown IN-
1247 PM EDT Wed Aug 12 2026
...A strong thunderstorm will impact portions of northern Brown
County through 115 PM EDT...
At 1246 PM EDT, Doppler radar was tracking a strong thunderstorm near
Nashville, or 12 miles northeast of Bloomington, moving east at 40
mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Nashville, Beanblossom, Gnaw Bone, Spearsville, Helmsburg, and Peoga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
A Severe Thunderstorm Watch remains in effect until 500 PM EDT for
central and south central Indiana.
&&
LAT...LON 3922 8637 3934 8638 3934 8608 3918 8608
TIME...MOT...LOC 1646Z 272DEG 37KT 3927 8632
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
BRBLocal storm report, Aug 12, 12:48 PM EDT, 14 minutes before
Preliminary Local Storm Report
National Weather Service Indianapolis IN
1248 PM EDT Wed Aug 12 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0300 AM Flash Flood 2 SSW New Castle 39.90N 85.38W
08/12/2026 Henry IN Broadcast Media
A culvert passing under Riley Road washed
out, taking that section of the road with
it. Time is estimated from broadcast
media...which said it occurred between 230
AM and 330 AM EDT.
&&
BHLocal storm report, Aug 12, 12:50 PM EDT, 12 minutes before
Preliminary Local Storm Report
National Weather Service Indianapolis IN
1250 PM EDT Wed Aug 12 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1145 AM Rain Yorktown 40.17N 85.48W
08/12/2026 M2.89 Inch Delaware IN Amateur Radio
Amount since 7 AM EDT this morning. Storm
total 6.91 inches.
&&
BHSpecial weather statement, Aug 12, 1:00 PM EDT, 2 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
100 PM EDT Wed Aug 12 2026
INZ037-039-121730-
Boone IN-Hamilton IN-
100 PM EDT Wed Aug 12 2026
...Strong thunderstorms will impact portions of Boone and Hamilton
Counties through 130 PM EDT...
At 1259 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Carmel to Crawfordsville. Movement was east at
25 mph.
HAZARD...Wind gusts up to 50 mph, pea size hail, and very heavy
rainfall.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Carmel, Fishers, Noblesville, Lebanon, Zionsville, Westfield, Cicero,
Fortville, Whitestown, Sheridan, Arcadia, Thorntown, Jamestown,
Atlanta, Advance, Ulen, and Morse Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to flash flooding. Do not drive your vehicle through flooded
roadways.
A Severe Thunderstorm Watch remains in effect until 500 PM EDT for
central Indiana.
&&
LAT...LON 3993 8586 3992 8669 4018 8669 4018 8624
4022 8624 4022 8586
TIME...MOT...LOC 1659Z 273DEG 23KT 3997 8610 4004 8690
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
BRBLocal storm report, Aug 12, 1:02 PM EDT, 0 minutes before
Preliminary Local Storm Report
National Weather Service Indianapolis IN
102 PM EDT Wed Aug 12 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1209 PM Flash Flood 3 N Lewisville 39.86N 85.35W
08/12/2026 Henry IN Emergency Mngr
Flooding of a mobile home park. Several
people were evacuated.
&&
BHSpecial weather statement, Aug 12, 1:02 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
102 PM EDT Wed Aug 12 2026
INZ030-031-038-121730-
Howard IN-Clinton IN-Tipton IN-
102 PM EDT Wed Aug 12 2026
...Strong thunderstorms will impact portions of eastern Clinton,
Howard and Tipton Counties through 130 PM EDT...
At 102 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Kokomo to Frankfort. Movement was east at 55
mph.
HAZARD...Wind gusts up to 50 mph and very heavy rainfall.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Kokomo, Tipton, Windfall, Greentown, Russiaville, Kirklin,
Sharpsville, Michigantown, Kempton, and Indian Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to flash flooding. Do not drive your vehicle through flooded
roadways.
A Severe Thunderstorm Watch remains in effect until 500 PM EDT for
central Indiana.
&&
LAT...LON 4056 8586 4022 8586 4022 8624 4018 8624
4018 8652 4019 8652 4056 8616
TIME...MOT...LOC 1702Z 277DEG 48KT 4047 8613 4027 8650
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
BRBThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 8:48 PM EDT | Areal Flood Advisory | IND | Clay, Owen, Parke, Putnam, Vermillion, Vigo | 2 hr |
| Aug 11, 8:56 PM EDT | Special Weather Statement | IND | Putnam | 34 min |
| Aug 11, 9:21 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Morgan, Owen, Putnam | 39 min |
| Aug 11, 9:41 PM EDT | Areal Flood Advisory | IND | Hendricks, Morgan, Owen, Parke, Putnam | 3 hr |
| Aug 11, 10:02 PM EDT | Special Weather Statement | IND | Morgan | 43 min |
| Aug 11, 11:10 PM EDT | Special Weather Statement | IND | Shelby | 35 min |
| Aug 11, 11:13 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Johnson, Marion, Shelby | 32 min |
| Aug 11, 11:44 PM EDT | Special Weather Statement | IND | Shelby | 31 min |
| Aug 11, 11:55 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Rush, Shelby | 35 min |
| Aug 12, 12:31 AM EDT | Areal Flood Advisory | IND | Hancock, Johnson, Marion, Shelby | 3 hr |
| Aug 12, 12:41 AM EDT | Flash Flood Warning | IND | Shelby | 12 hr |
| Aug 12, 12:54 AM EDT | Areal Flood Advisory | IND | Decatur, Rush, Shelby | 117 min |
| Aug 12, 1:55 AM EDT | Areal Flood Advisory | IND | Henry, Rush | 51 min |
| Aug 12, 1:56 AM EDT | Areal Flood Warning | IND | Decatur, Jennings, Shelby | 4 hr |
| Aug 12, 2:18 AM EDT | Areal Flood Advisory | IND | Howard, Madison, Tipton | 7 hr |
| Aug 12, 2:31 AM EDT | Flash Flood Warning | IND | Delaware, Henry, Madison | 3 hr |
| Aug 12, 2:41 AM EDT | Areal Flood Advisory | IND | Delaware, Henry, Randolph | 3 hr |
| Aug 12, 2:46 AM EDT | Flash Flood Warning | IND | Henry, Rush | 3 hr |
| Aug 12, 2:51 AM EDT | Flash Flood Warning | IND | Decatur, Rush, Shelby | 3 hr |
| Aug 12, 3:14 AM EDT | Flash Flood Warning | IND | Henry | 2 hr |
| Aug 12, 3:57 AM EDT | Flash Flood Warning | IND | Decatur | 9 hr |
| Aug 12, 4:34 AM EDT | Flash Flood Warning | IND | Henry, Rush | 8 hr |
| Aug 12, 5:24 AM EDT | Flash Flood Warning | IND | Decatur, Rush | 8 hr |
| Aug 12, 5:34 AM EDT | Flash Flood Warning | IND | Delaware, Henry, Randolph | 7 hr |
| Aug 12, 5:53 AM EDT | Areal Flood Warning | IND | Decatur, Jennings, Shelby | 2 hr |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Carroll, Tippecanoe, White | 5 days |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Carroll, White | 16 hr |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Fountain, Parke, Tippecanoe, Vermillion, Warren | 7 days |
| Aug 12, 7:26 AM EDT | Areal Flood Advisory | IND | Hancock, Rush | 2 hr |
| Aug 12, 8:11 AM EDT | Flash Flood Warning | IND | Decatur, Jennings, Shelby | 5 hr |
| Aug 12, 8:23 AM EDT | River Flood Warning | IND | Delaware, Madison | 4 days |
| Aug 12, 8:30 AM EDT | River Flood Warning | IND | Hamilton, Madison | 6 days |
| Aug 12, 8:48 AM EDT | Areal Flood Advisory | IND | Bartholomew, Jennings, Shelby | 60 min |
| Aug 12, 9:14 AM EDT | Areal Flood Warning | IND | Madison | 33 min |
| Aug 12, 9:47 AM EDT | Flash Flood Warning | IND | Madison | 12 hr |
| Aug 12, 9:48 AM EDT | Areal Flood Warning | IND | Bartholomew, Jennings, Shelby | 9 hr |
| Aug 12, 9:49 AM EDT | Areal Flood Warning | IND | Hancock, Rush | 9 hr |
| Aug 12, 10:17 AM EDT | Flash Flood Warning | IND | Delaware | 12 hr |
| Aug 12, 10:26 AM EDT | Flash Flood Warning | IND | Howard, Tipton | 12 hr |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Jackson, Jennings, Washington | 19 hr |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Shelby | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Jackson, Lawrence, Washington | 7 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew, Jackson | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew, Johnson, Shelby | 5 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Hamilton, Marion | 6 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Marion, Morgan | 7 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Marion, Morgan | 6 days |
| Aug 12, 10:46 AM EDT | Flash Flood Warning | IND | Henry | 12 hr |
| Aug 12, 10:54 AM EDT | River Flood Warning | IND | Delaware, Randolph | 4 days |
| Aug 12, 11:29 AM EDT | River Flood Warning | IND | Fountain, Parke, Vermillion, Warren | 12 days |
| Aug 12, 11:29 AM EDT | River Flood Warning | IND | Parke, Vermillion, Vigo | 15 days |
| Aug 12, 11:45 AM EDT | Special Weather Statement | IND | Fountain, Warren | 30 min |
| Aug 12, 12:01 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Warren | 44 min |
| Aug 12, 12:13 PM EDT | Severe Thunderstorm Warning | IND | Boone, Carroll, Clinton, Howard, Montgomery, Tippecanoe | 52 min |
| Aug 12, 12:42 PM EDT | Special Weather Statement | IND | Parke, Vermillion | 33 min |
| Aug 12, 12:47 PM EDT | Special Weather Statement | IND | Brown | 28 min |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Rush | 11 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Decatur | 11 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Randolph | 11 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Shelby | 7 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Hancock | 7 hr |
| Aug 12, 12:59 PM EDT | Areal Flood Warning | IND | Bartholomew, Jennings | 3 hr |
| Aug 12, 1:00 PM EDT | Special Weather Statement | IND | Boone, Hamilton | 30 min |
| Aug 12, 1:02 PM EDT | Special Weather Statement | IND | Howard, Tipton | 28 min |
| Aug 12, 1:11 PM EDT | Special Weather Statement | IND | Parke | 34 min |
| Aug 12, 1:20 PM EDT | Flash Flood Warning | IND | Hendricks, Marion | 7 hr |
| Aug 12, 1:28 PM EDT | Special Weather Statement | IND | Putnam | 32 min |
| Aug 12, 1:31 PM EDT | Special Weather Statement | IND | Vigo | 29 min |
| Aug 12, 1:39 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Johnson, Marion, Morgan, Putnam | 36 min |
| Aug 12, 2:04 PM EDT | Special Weather Statement | IND | Johnson, Rush, Shelby | 26 min |
| Aug 12, 2:09 PM EDT | River Flood Warning | IND | Howard | 4 days |
| Aug 12, 2:09 PM EDT | Special Weather Statement | IND | Clay, Sullivan, Vigo | 36 min |
| Aug 12, 2:11 PM EDT | Flash Flood Warning | IND | Johnson | 5 hr |
| Aug 12, 2:17 PM EDT | Severe Thunderstorm Warning | IND | Decatur, Johnson, Rush, Shelby | 58 min |
| Aug 12, 2:28 PM EDT | Flash Flood Warning | IND | Bartholomew | 6 hr |
| Aug 12, 2:30 PM EDT | Special Weather Statement | IND | Bartholomew, Brown, Decatur | 30 min |
| Aug 12, 2:35 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Greene, Knox, Sullivan | 40 min |
| Aug 12, 2:42 PM EDT | River Flood Warning | IND | Carroll, Howard | 4 days |
| Aug 12, 2:42 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Knox, Sullivan | 48 min |
Nearby
Flash Flood Warnings in Indiana, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.