La Salle County, IL
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Saturday 04/18 8:40 PM CDT – Monday 04/20 7:00 AM CDT
Issued by NWS Chicago IL
The Flood Warning continues for the following rivers in Illinois
Fox River at Dayton affecting La Salle County.
Fox River at Montgomery affecting Kane and Kendall Counties.
Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties.
What
Minor flooding is forecasted.
Where
Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge.
When
Until Monday morning.
Impacts
At 12.5 feet, 2062nd Road threatened in Wedron. Low-lying agricultural land inundated near Wedron.
Additional Details
- At 7:45 PM CDT Saturday the stage was 11.9 feet. - Forecast...The river is expected to rise above flood stage late this evening and crest in Minor Flood Stage tomorrow. It is then expected to fall below Flood Stage Monday morning. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
What to do
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 almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours.
Additional information is available at www.weather.gov.
The next statement will be issued by Sunday afternoon.
Areas impacted
- La Salle, IL
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Saturday 04/18 8:43 PM CDT – Sunday 04/19 2:45 PM CDT
Issued by NWS Chicago IL
The Flood Warning continues for the following rivers in Illinois
Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties.
What
Minor flooding is occurring and forecasted to continue.
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 7:45 PM CDT Saturday the stage was 21.3 feet. - Forecast...The river is expected remain nearly steady into early next week. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
What to do
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 Sunday afternoon.
Areas impacted
- Bureau, IL
- La Salle, IL
- Putnam, IL
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Monday 04/20 12:00 AM CDT – Monday 04/20 9:00 AM CDT
Issued by NWS Chicago IL
What
Sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois.
Where
Portions of central, east central, north central, and northeast Illinois and northwest Indiana.
When
From midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
What to do
Take steps now to protect tender plants from the cold.
Areas impacted
- Winnebago
- Boone
- McHenry
- Lake
- Ogle
- Lee
- De Kalb
- Kane
- DuPage
- La Salle
- Kendall
- Grundy
- Kankakee
- Livingston
- Iroquois
- Ford
- Northern Will
- Southern Will
- Eastern Will
- Lake
- Porter
- Newton
- Jasper
- Benton
Tips to stay safe
A Freeze Warning means that temperatures will drop below freezing in your area.
- Bring young or vulnerable plants indoors to protect them from the cold
- Wrap or drain outdoor pipes to prevent them from freezing
- Drain in-ground sprinkler systems
Briefing
From the forecaster
Four Day Outlook
Created by the NWS Chicago WFO
A fast-moving disturbance will bring breezy conditions and widely scattered gusty showers to the area today. Widespread subfreezing temperatures are expected outside of Chicago tonight, but a warming trend will commence next week.
Seven-day weather risk overview
Daily weather risk summary
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