Mercer County, IL

Alerts

Warning Area
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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 8:24 PM CDT – Sunday 04/19 8:30 PM CDT

Issued by NWS Quad Cities IA IL

...The Flood Warning is extended for the following rivers in Illinois...Iowa...

Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties.

Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties.

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

Mississippi River at Gregory Landing affecting Clark and Hancock Counties.

Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties.

Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties.

Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties.

Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties.

What

Minor flooding is occurring and moderate flooding is forecast.

Where

Mississippi River at Keithsburg.

When

Until further notice.

Impacts

At 16.5 feet, Water affects houses on 1st Street in Oquawka.

Additional Details

- At 7:30 PM CDT Saturday the stage was 14.8 feet and rising. - Forecast...The river is expected to rise to a crest of 16.3 feet early Friday morning. - Flood stage is 14.0 feet.

What to do

Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
The next statement will be issued by Sunday evening at 830 PM CDT.


Areas impacted

  • Des Moines, IA
  • Louisa, IA
  • Henderson, IL
  • Mercer, 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 8:24 PM CDT – Sunday 04/19 8:30 PM CDT

Issued by NWS Quad Cities IA IL

...The Flood Warning is extended for the following rivers in Illinois...Iowa...

Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties.

Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties.

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

Mississippi River at Gregory Landing affecting Clark and Hancock Counties.

Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties.

Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties.

Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties.

Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties.

What

Minor flooding is occurring and moderate flooding is forecast.

Where

Mississippi River at New Boston LD17.

When

Until further notice.

Impacts

At 18.1 feet, Lock and Dam 17 is closed.

Additional Details

- At 7:40 PM CDT Saturday the stage was 15.5 feet and rising. - Forecast...The river is expected to rise to 17.6 feet early Friday afternoon. Additional rises are possible thereafter. - Flood stage is 15.0 feet.

What to do

Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
The next statement will be issued by Sunday evening at 830 PM CDT.


Areas impacted

  • Louisa, IA
  • Mercer, 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 Sunday 04/19 7:00 AM CDT – Sunday 04/19 8:30 PM CDT

Issued by NWS Quad Cities IA IL

...The Flood Warning is extended for the following rivers in Illinois...Iowa...

Mississippi River at Rock Island LD15 affecting Muscatine, Rock Island and Scott Counties.

Mississippi River at Ill. City LD16 affecting Muscatine and Rock Island Counties.

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

Mississippi River at Gregory Landing affecting Clark and Hancock Counties.

Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties.

Mississippi River at Keithsburg affecting Mercer, Louisa, Des Moines and Henderson Counties.

Mississippi River at Burlington affecting Lee, Hancock, Des Moines and Henderson Counties.

Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties.

Mississippi River at Muscatine affecting Mercer, Muscatine, Louisa and Rock Island Counties.

What

Moderate flooding is forecast.

Where

Mississippi River at Muscatine.

When

From Sunday morning until further notice.

Impacts

At 18.0 feet, Water affects most of the Riverside Park parking lot.

Additional Details

- At 7:15 PM CDT Saturday the stage was 15.6 feet and rising. - Forecast...The river is expected to rise above flood stage tomorrow morning and continue rising to 18.1 feet Friday evening. Additional rises are possible thereafter. - Flood stage is 16.0 feet.

What to do

Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
The next statement will be issued by Sunday evening at 830 PM CDT.


Areas impacted

  • Louisa, IA
  • Muscatine, IA
  • Mercer, IL
  • Rock Island, 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 Quad Cities IA IL

What

Sub-freezing temperatures in the mid to upper 20s.

Where

Portions of north central, northwest, and west central Illinois and east central, northeast, and southeast Iowa.

When

From midnight tonight to 9 AM CDT 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

  • Buchanan
  • Delaware
  • Dubuque
  • Benton
  • Linn
  • Jones
  • Jackson
  • Iowa
  • Johnson
  • Cedar
  • Clinton
  • Muscatine
  • Scott
  • Keokuk
  • Washington
  • Louisa
  • Jefferson
  • Henry
  • Des Moines
  • Van Buren
  • Lee
  • Jo Daviess
  • Stephenson
  • Carroll
  • Whiteside
  • Rock Island
  • Henry
  • Bureau
  • Putnam
  • Mercer
  • Henderson
  • Warren
  • Hancock
  • McDonough

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 

From the forecaster

The Week Ahead

Created by the NWS Quad Cities WFO

After an area-wide freeze Sunday night, temperatures will slowly rise through midweek. Calm weather will accompany this warm up before a more active pattern returns towards the end of the week.

Seven-day weather risk overview

Daily weather risk summary

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