Hazardous Weather Outlook for Walnut, Illinois
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
313 AM CDT Thu May 2 2024
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-030815-
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-
313 AM CDT Thu May 2 2024
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
Showers and thunderstorms are likely today and through tonight.
There is a Marginal risk, or level 1 out of 5 risk, for severe
weather, especially for storms this afternoon and evening. There
is also a threat for heavy rainfall, which could pose a risk for
localized flooding.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
Additional chances for showers and storms over the weekend and
early next week, however it is too early to determine the severe
weather threat.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed today and tonight.
GENERAL STORM MOTION OF THE DAY: Toward the northeast around 40 to
45 mph.
Flood Warning for Walnut, Illinois
Flood Statement
National Weather Service Chicago IL
841 PM CDT Wed May 1 2024
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
For the Illinois River (Upper)...including Morris, Ottawa, La
Salle...Minor flooding is forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by Thursday afternoon.
ILC011-099-155-021945-
/O.CON.KLOT.FL.W.0033.000000T0000Z-240505T0900Z/
/LSLI2.1.ER.240429T0655Z.240501T0315Z.240505T0300Z.NO/
841 PM CDT Wed May 1 2024
...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY SUNDAY MORNING...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Illinois River from Starved Rock Lock and Dam downstream
to confluence with Big Bureau Creek, including the La Salle gauge.
* WHEN...Until early Sunday morning.
* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State
Park is inundated east of La Salle. High water levels begin to
impact shipping interests along the river.
* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 22.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 23.4 feet.
- Forecast...The river is expected to fall below flood stage
late Saturday evening.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood
LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
4128 8929