Hazardous Weather Outlook for Walnut Grove, Illinois
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
315 PM CDT Wed May 15 2024
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-161200-
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 PM CDT Wed May 15 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...THIS AFTERNOON AND TONIGHT
There is a low chance for an isolated thunderstorm late tonight,
but severe weather is not expected.
Area tributary rivers and lower portions of the Mississippi River
are experiencing flooding. Please see the latest Flood Statements
and Flood Warnings for details.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
There will be a chance for scattered to isolated thunderstorms
Thursday afternoon and evening, mainly along and north of
Interstate 80. Some of these storms may be strong with hail and
gusty winds. There is a Marginal Risk, or level 1 out of 5 for
severe storms across portions of extreme east central Iowa into
northwestern Illinois Thursday afternoon and evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed through tonight. However,
there is a low chance that spotter activation will be needed
Thursday afternoon across northwestern Illinois.
GENERAL STORM MOTION OF THE DAY: East to northeast at 30 MPH.
Flood Warning for Walnut Grove, Illinois
Flood Statement
National Weather Service Chicago IL
805 PM CDT Wed May 15 2024
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at La Salle affecting Putnam, La Salle and Bureau
Counties.
For the Illinois River (Upper)...including 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.
ILC011-099-155-161915-
/O.EXT.KLOT.FL.W.0036.000000T0000Z-240517T2100Z/
/LSLI2.1.ER.240515T0825Z.240516T0600Z.240517T1500Z.NO/
805 PM CDT Wed May 15 2024
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY AFTERNOON...
* 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 Friday afternoon.
* IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring
Valley, and Peru are inundated.
* ADDITIONAL DETAILS...
- At 7:45 PM CDT Wednesday the stage was 20.8 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM CDT Wednesday was 20.8 feet.
- Forecast...The river is cresting at 20.8 feet, and is
expected to remain at crest into early Thursday morning
before beginning a slow fall. It will then fall below flood
stage late Friday morning.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood
LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
4128 8929