Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin, interior Northwest, and Rockies Thursday. Red Flag Warnings have been issued. While there is still uncertainty in what impacts might occur to the U.S. east coast next week, the risk of dangerous surf and rip currents across the western Atlantic basin is increasing. Read More >
| Thursday, November 15 saw early morning snow from a major weather system to our south spread northwest over northwest Indiana and northern Illinois. The solid snow shield brought 2" to 4" of accumulation in parts of east central Illinois into northwest Indiana by mid-morning. Then a single band of snow continued to move northwest across the Chicago metro area, pivoting, and then weakened as it moved back southeast (though did briefly re-intensify). This band produced mainly 1-2", although there was isolated 2" in Lake County, IL. |
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Fast Facts
Snow/Ice Totals
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| Observed snowfall map from 11/15/18. Also visit the Storm Reports map. |
Text Listing of Snowfall Reports from Volunteer Observers
Storm Reports
Map of Snowfall Local Storm Reports
187
NWUS53 KLOT 130157
LSRLOT
Preliminary Local Storm Report...Summary
National Weather Service Chicago IL
857 PM CDT Tue Aug 12 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM Marine Tstm Wind 2 NE Navy Pier 41.92N 87.57W
08/12/2025 M51 MPH LMZ741 IL Mesonet
Corrects previous marine tstm wind report
from 2 NE Navy Pier. Peak wind gust of 44 kt
measured at the Chicago Crib between 2:00
and 3:00 PM.
0300 PM Flood 2 NE Mokena 41.55N 87.85W
08/12/2025 Will IL Public
Multiple public reports of roadway flooding
between Frankfort and Orland Park. Relayed
via Waze.
0315 PM Flash Flood Homewood 41.56N 87.66W
08/12/2025 Cook IL Cocorahs
Reported 1.35 inches of rain in the last
hour, and still falling. The viaduct in the
17800 block of Dixie Highway of Homewood is
flooded closed.
0325 PM Flood 2 NW Oak Forest 41.62N 87.77W
08/12/2025 Cook IL Public
Multiple public reports of street flooding
in Oak Forest and Palos Heights areas.
Relayed via mping.
0330 PM Flash Flood 1 NNE Tinley Park 41.59N 87.79W
08/12/2025 Cook IL Public
Photo shared on social media showed water up
to the bumper of a car near Harlem and 167
Street in Tinley Park.
0330 PM Flash Flood 1 SE Oak Forest 41.59N 87.73W
08/12/2025 Cook IL Public
Multiple public reports of flooded roadways
across southern Cook County including Oak
Forest, Tinley Park, and Homewood areas.
Relayed via mping.
0330 PM Marine Tstm Wind 2 NE Navy Pier 41.92N 87.57W
08/12/2025 M40 MPH LMZ741 IL Mesonet
Peak wind gust of 35 kt measured at the
Chicago Crib between 3:00 and 4:00 PM.
0350 PM Flood 1 NW West Ridge - Chica 42.01N 87.70W
08/12/2025 Cook IL Public
Multiple public reports of street flooding
in Rogers Park, West Ridge, and Albany Park
community areas of Chicago.
0400 PM Flash Flood 1 SSE Gage Park - Chica 41.79N 87.69W
08/12/2025 Cook IL Public
A few reports of flooded basements in the
Chicago Lawn and Gage Park community areas
of Chicago. Relayed via Chicago311. Time
estimated based upon nearby reports.
0400 PM Rain West Ridge - Chicago 42.01N 87.70W
08/12/2025 M1.80 Inch Cook IL Cocorahs
Observer measure 1.8 inches fell in the last
90 minutes.
0400 PM Marine Tstm Wind 4 NE Kenilworth 42.13N 87.66W
08/12/2025 M45 MPH LMZ740 IL Mesonet
Mesonet station 45174 Wilmette Buoy.
0401 PM Flash Flood 1 W Mokena 41.53N 87.90W
08/12/2025 Will IL Public
Video posted on social media shows 6 inches
or more of flowing water on residential
street in Mokena.
0401 PM Flood Oak Lawn 41.71N 87.75W
08/12/2025 Cook IL Public
Photo on social media shows several inches
of standing water on residential street.
0408 PM Flood 1 N Lakeview - Chicago 41.95N 87.66W
08/12/2025 Cook IL Public
Public report of several inches of standing
water near Sheridan Station on CTA Red Line
in the Lake View community area of Chicago.
0410 PM Rain 1 NNW Mokena 41.54N 87.88W
08/12/2025 M3.71 Inch Will IL Public
Private weather station KILMOKEN11 reported
3.71 inches storm total thus far since 2 PM.
Two periods with at least 1 inch in 30
minutes.
0410 PM Rain 1 ENE Mokena 41.54N 87.85W
08/12/2025 M3.73 Inch Will IL Public
Private weather station KILMOKEN2 reported
3.73 inches storm total so far since 2 PM.
0413 PM Rain 1 SW Country Club Hills 41.56N 87.73W
08/12/2025 M2.38 Inch Cook IL Public
Spotter called in that in the last 1.5 hours
they received 2.38 inches of rain.
0415 PM Flash Flood Elmwood Park 41.92N 87.82W
08/12/2025 Cook IL Public
Photo shared on social media showed 12 to 18
inches of water surrounding homes in Elwood
Park. Time estimated by radar.
0415 PM Flash Flood Dunning - Chicago 41.94N 87.81W
08/12/2025 Cook IL Public
A few reports of flooded basements in the
Dunning and Montclare community areas of
Chicago. Relayed via Chicago311. Time
estimated based upon nearby reports.
0415 PM Rain 2 NW Frankfort Square 41.54N 87.83W
08/12/2025 M3.89 Inch Will IL Public
Private weather station reported 3.89 inches
storm total so far since 2 PM.
0415 PM Flood Rogers Park - Chicago 42.01N 87.66W
08/12/2025 Cook IL Trained Spotter
Several inches of standing water near
Sheridan Road and Farewell Avenue in the
Rogers Park community area of Chicago.
0435 PM Flood 1 NNE Uptown - Chicago 41.98N 87.65W
08/12/2025 Cook IL Public
Multiple underpasses flooded along DuSable
Lakeshore Drive including Montrose Avenue
and Foster Avenue.
0435 PM Flood Irving Park - Chicago 41.96N 87.72W
08/12/2025 Cook IL Public
Public report of Monticello Avenue flooded
near Berteau Avenue in Irving Park community
area.
0445 PM Flash Flood 1 WSW Midlothian 41.62N 87.73W
08/12/2025 Cook IL Other Federal
Natalie Creek at Midlothian USGS river gauge
quickly climbed to just below flood stage.
0450 PM Rain 1 WNW Flossmoor 41.55N 87.70W
08/12/2025 M3.10 Inch Cook IL Public
Private weather station KILFLOSS10 reported
3.1 inches storm total so far since 2 PM.
0510 PM Flood 1 NE Woodridge 41.77N 88.03W
08/12/2025 DuPage IL Public
Multiple public reports of roadway flooding
in Woodridge and Downers Grove. Relayed via
mping.
0528 PM Flood 1 S Naperville 41.75N 88.15W
08/12/2025 DuPage IL Public
Public report via social media of a few
inches of standing water on Gartner Road in
Naperville. 1.8 inches of rainfall measured
in rain gauge.
0529 PM Rain Lincoln Square - Chicag 41.97N 87.69W
08/12/2025 M2.82 Inch Cook IL Public
Private weather station KILCHICA979 reported
2.82 inches storm total since 2 PM.
Approximately 1.9 inches occurred in 30
minutes ending at 410 PM.
0532 PM Flood 1 S Downers Grove 41.78N 88.01W
08/12/2025 DuPage IL Public
Numerous public reports of street flooding
in southern Downers Grove. Relayed via Waze.
0533 PM Tstm Wnd Dmg Morocco 40.95N 87.45W
08/12/2025 Newton IN Public
Corrects previous non-tstm wnd dmg report
from Morocco. Picture shared on social media
of a larger tree branch that was knocked
down. Time estimated by radar.
0536 PM Hail 3 NE Morocco 40.97N 87.40W
08/12/2025 M1.00 Inch Newton IN Public
Public report of quarter size hail northeast
of Morocco. Time estimated by radar.
0545 PM Flood 1 SW Brookfield 41.82N 87.86W
08/12/2025 Cook IL Public
Multiple public reports of street flooding
in La Grange and Brookfield. Relayed via
Waze.
0550 PM Flood 2 ENE Garfield Park - C 41.89N 87.69W
08/12/2025 Cook IL Public
Multiple public reports of street flooding
in the Near West Side and West Town
community areas of Chicago. Relayed via
Waze.
0550 PM Flood McKinley Park - Chicago 41.83N 87.68W
08/12/2025 Cook IL Public
Multiple public reports of street flooding
in the McKinley Park community area of
Chicago. Relayed via Waze.
0554 PM Tstm Wnd Dmg 3 ESE Mount Ayr 40.93N 87.25W
08/12/2025 Jasper IN Public
Multiple trees damaged at Curtis Creek Golf
Course west of Rensselaer. Some trees
snapped or uprooted, numerous other trees
with 6-12 inch branches broken. Time
estimated by radar. Relayed by broadcast
media.
0556 PM Tstm Wnd Dmg 3 ESE Mount Ayr 40.94N 87.24W
08/12/2025 Jasper IN Public
Public report shared to social media of tree
damage along County Road 1000 south of
IN-114. Time estimated by radar.
0556 PM Tstm Wnd Dmg 4 SE Mount Ayr 40.91N 87.24W
08/12/2025 Jasper IN Public
Photos shared via social media show multiple
broken power poles and a rolled camper. Time
estimated by radar.
0600 PM Rain 1 SSE Downers Grove 41.78N 88.00W
08/12/2025 M2.76 Inch DuPage IL Public
Private weather station KILDOWNE65 reported
2.76 inches of rain since 4 PM. Most
rainfall occurred in 1 hour period.
0607 PM Tstm Wnd Gst 2 WNW Rensselaer 40.95N 87.18W
08/12/2025 M59 MPH Jasper IN AWOS
Peak gust of 51 kt measured at AWOS station
KRZL Rensselaer Airport.
0612 PM Flood 1 NNE Countryside 41.79N 87.87W
08/12/2025 Cook IL Public
Public report of several inches of water on
roadways near La Grange Road and 55th in
Countryside.
0614 PM Rain 1 SSW Clarendon Hills 41.78N 87.96W
08/12/2025 M3.12 Inch DuPage IL Public
Private weather station KILWILLO33 reported
3.12 inches since 3 PM. Most rainfall
occurred in 1 hour period.
0614 PM Rain 2 S Downers Grove 41.77N 88.01W
08/12/2025 M2.91 Inch DuPage IL Public
Private weather station KILDOWNE81 reported
2.91 inches since 4 PM. Most rainfall
occurred in 1 hour period.
0630 PM Flood 2 S Downers Grove 41.77N 88.00W
08/12/2025 DuPage IL Public
Video shared on social media shows 6 to 8
inches of standing water on roadways and
driveways of Bonnie Brae Drive in Downers
Grove. time estimated by radar.
0635 PM Flash Flood Westmont 41.79N 87.98W
08/12/2025 DuPage IL Public
Photo shared on social media depicted
several inches of water covering entire
backyard of a home in Westmont.
0715 PM Rain 5 WNW Saunemin 40.92N 88.49W
08/12/2025 M4.25 Inch Livingston IL Public
Private weather station KILPONTI6 reported
4.25 inches storm total since 2 PM.
&&
$$
Meteorology and Additional
Meteorology
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