Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
247 PM CDT Fri May 1 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-021100-
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-
247 PM CDT Fri May 1 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...TONIGHT

Isolated thunderstorms are possible through this evening.
Lightning is the primary hazard.

A Frost Advisory remains in effect for areas mainly northwest of
a line from Kahoka, Missouri to Sterling, Illinois late tonight
through daybreak on Saturday. Lows falling into the lower to
middle 30s will lead to frost concerns for sensitive vegetation.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Isolated strong storms with gusty winds and hail are possible
Sunday afternoon, mainly south of Interstate 80.

More Thunderstorms may occur again Monday afternoon and evening.
The severe potential with these storms is still uncertain at this
time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

12

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
233 PM CDT Fri May 1 2026

IAZ040>042-051>054-063>068-076>078-087-088-098-ILZ001-002-007-009-
015-MOZ009-020345-
/O.CON.KDVN.FR.Y.0002.260502T0600Z-260502T1300Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Van Buren-Jo Daviess-Stephenson-Carroll-Whiteside-Rock
Island-Scotland-
Including the cities of Marengo, Sterling, Galena, Sigourney,
Fairfield, Vinton, Muscatine, Moline, Cedar Rapids, Mount
Pleasant, Iowa City, Tipton, Independence, Dubuque, Bettendorf,
Memphis, Rock Island, Keosauqua, Anamosa, Manchester, Davenport,
Freeport, Washington, Clinton, Mount Carroll, Maquoketa, and
Wapello
233 PM CDT Fri May 1 2026

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY...

* WHAT...Temperatures as low as the lower 30s will result in frost
  formation.

* WHERE...Portions of northwest Illinois, east central, northeast,
  and southeast Iowa, and northeast Missouri.

* WHEN...From 1 AM to 8 AM CDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

12

Flood Statement
National Weather Service Quad Cities IA IL
843 AM CDT Fri May 1 2026

...The Flood Warning continues for the following rivers in
Illinois...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

The next statement will be issued by Saturday morning at 845 AM CDT.

&&

ILC073-161-195-021345-
/O.CON.KDVN.FL.W.0018.000000T0000Z-260502T1400Z/
/JOSI2.2.ER.260417T0935Z.260422T0815Z.260502T0600Z.NO/
843 AM CDT Fri May 1 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TOMORROW MORNING...

* WHAT...Minor flooding is occurring and will continue.

* WHERE...Rock River near Joslin.

* WHEN...Until late tomorrow morning.

* IMPACTS...At 12.0 feet, Water affects low lying agricultural land.

* ADDITIONAL DETAILS...
  - At 7:45 AM CDT Friday the stage was 12.2 feet.
  - Forecast...The river is expected to fall below flood stage
    tonight and continue falling through the weekend.
  - Flood stage is 12.0 feet.


&&

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


$$

Schreck

Hazard Report Provided By forecast.weather.gov