Hazardous Weather Outlook for Putnam, Illinois
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
402 AM CDT Tue Apr 30 2024
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-010915-
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-
402 AM CDT Tue Apr 30 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
Strong to severe storms are possible this evening. The highest
threat will be mainly along and west of a line from Manchester,
Iowa to Iowa City, to Memphis, Missouri where the Storm Prediction
Center has placed a Slight risk, or level 2 out of 5 risk.
Damaging winds up to 70 mph is the primary hazard. Large hail is
also possible, while the tornado threat appears low.
The La Moine river is flooding. Please refer to the latest flood
warning for details.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
An active pattern returns Wednesday night through the end of the
week. There will be plenty of chances for showers and storms.
The severe weather threat looks low at this time. Heavy rainfall
is expected as well, which may result in a flash flood risk
through the end of the week, along with prolonging the river flood
threat.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this evening for portions of
eastern Iowa and northeast Missouri.
GENERAL STORM MOTION OF THE DAY: Toward the east-southeast at 40
MPH.
Flood Warning for Putnam, Illinois
Flood Statement
National Weather Service Chicago IL
1152 AM CDT Tue Apr 30 2024
...The Flood Warning continues for the following river in Illinois...
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
For the Illinois River (Upper)...including 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 this evening.
ILC011-099-155-010430-
/O.CON.KLOT.FL.W.0033.000000T0000Z-000000T0000Z/
/LSLI2.1.ER.240429T0655Z.240501T0600Z.000000T0000Z.NO/
1152 AM CDT Tue Apr 30 2024
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* 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 further notice.
* 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 10:45 AM CDT Tuesday the stage was 22.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM CDT Tuesday was 22.9 feet.
- Forecast...The river is expected to rise to a crest of 23.3
feet just after midnight tonight.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood
LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
4128 8929