Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
315 AM CDT Thu Jun 11 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-120815-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
315 AM CDT Thu Jun 11 2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Two rounds of storms will be seen today; the first in the morning
and the second in the afternoon and early evening. The Storm
Prediction Center has an Enhanced, level 3 out of 5, risk for the
area.

All modes of severe weather will be possible. Individual
supercells will be capable of very large hail and tornadoes. The
tornado risk will be highest during the passage of strong low
pressure this afternoon.

Additionally, storms will be moving at over 50 mph leaving less
time to react as storms approach.

Individual storms will grow upscale into lines both this morning
and afternoon. Lines that evolve into bowing segments may produce
damaging winds of 70 to 80 plus mph in the strongest storms.

Heavy rainfall will be a risk today due to an already wet ground.
If storms repeat over the same areas, flash flooding will be
possible.

An additional risk will be strong gradient winds. Winds may gust
up to 45 mph ahead of the cold front. Behind the cold front winds
may gust up to 50 mph late this afternoon and early evening.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Thunderstorms are expected Saturday afternoon and evening across
the area, some of which may be severe. The Storm Prediction Center
has a slight, level 2 out of 5, risk for parts of the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed today.

$$

Flood Watch
National Weather Service Quad Cities IA IL
240 AM CDT Thu Jun 11 2026

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-120000-
/O.EXT.KDVN.FA.A.0004.000000T0000Z-260612T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Whiteside-Rock
Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-Hancock-
McDonough-Scotland-Clark-
Including the cities of Washington, Carthage, Rock Island,
Hennepin, Kahoka, Clinton, Oquawka, Memphis, Mount Pleasant,
Muscatine, Monmouth, Macomb, Tipton, Princeton, Wapello, Geneseo,
Fairfield, Sigourney, Sterling, Burlington, Iowa City, Marengo,
Fort Madison, Aledo, Keosauqua, Moline, Bettendorf, and Davenport
240 AM CDT Thu Jun 11 2026

...FLOOD WATCH NOW IN EFFECT THROUGH THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of Illinois, including the following areas,
  Bureau, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam,
  Rock Island, Warren and Whiteside, Iowa, including the following
  areas, Cedar, Clinton, Des Moines, Henry IA, Iowa, Jefferson,
  Johnson, Keokuk, Lee, Louisa, Muscatine, Scott, Van Buren and
  Washington, and northeast Missouri, including the following areas,
  Clark and Scotland.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
  - Several rounds of heavy rain producing thunderstorms will be
    seen across the watch area. Storms may redevelop over the
    same areas resulting torrential rainfall and possibly several
    inches of rain.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

08

Flood Warning
National Weather Service Quad Cities IA IL
944 PM CDT Wed Jun 10 2026

...The National Weather Service in Quad Cities IA IL has issued a
Flood Warning for the following rivers in Iowa...Illinois...

  Maquoketa River near Maquoketa affecting Jackson County.

  Rock River near Joslin affecting Henry IL, Whiteside and Rock
  Island Counties.

  Rock River at Moline affecting Henry IL and Rock Island Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

The next statement will be issued by Thursday evening at 945 PM CDT.

&&

ILC073-161-195-120245-
/O.NEW.KDVN.FL.W.0035.260613T1017Z-260615T2000Z/
/JOSI2.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
944 PM CDT Wed Jun 10 2026

...FLOOD WARNING IN EFFECT FROM LATE FRIDAY NIGHT TO MONDAY
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Rock River near Joslin.

* WHEN...From late Friday night to Monday afternoon.

* IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land
  occurs. Water also affects Lundeens Landing Campground.

* ADDITIONAL DETAILS...
  - At 8:45 PM CDT Wednesday the stage was 6.8 feet and rising.
  - Forecast...The river is expected to rise above flood stage
    early Saturday morning to a crest of 12.9 feet Saturday
    evening. It will then fall below flood stage Monday morning.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4152 9032 4169 9002 4163 8999 4148 9027


$$

Flood Warning
National Weather Service Quad Cities IA IL
944 PM CDT Wed Jun 10 2026

...The National Weather Service in Quad Cities IA IL has issued a
Flood Warning for the following rivers in Iowa...Illinois...

  Maquoketa River near Maquoketa affecting Jackson County.

  Rock River near Joslin affecting Henry IL, Whiteside and Rock
  Island Counties.

  Rock River at Moline affecting Henry IL and Rock Island Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

The next statement will be issued by Thursday evening at 945 PM CDT.

&&

ILC073-161-120245-
/O.NEW.KDVN.FL.W.0036.260613T1800Z-260616T0200Z/
/MLII2.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
944 PM CDT Wed Jun 10 2026

...FLOOD WARNING IN EFFECT FROM SATURDAY AFTERNOON TO LATE MONDAY
EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...Rock River at Moline.

* WHEN...From Saturday afternoon to late Monday evening.

* IMPACTS...At 12.5 feet, Water affects some residences in the lower
  Friendship Farm area. 60th St is under water south of the Green
  Valley Sports Complex. 56th St along the north side of the river
  is under water.

* ADDITIONAL DETAILS...
  - At 9:30 PM CDT Wednesday the stage was 9.3 feet and rising.
  - Forecast...The river is expected to rise above flood stage
    early Saturday afternoon to a crest of 12.7 feet Sunday
    morning. It will then fall below flood stage early Monday
    afternoon.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4148 9061 4152 9032 4148 9027 4144 9043
      4145 9064


$$

08

Hazard Report Provided By forecast.weather.gov