Elgin, Illinois Weather:
Active Weather Warnings
Saturday, April 11, 2026
Cloudy Weather
Day 63°
Night 46°
Precipitation 10 %
Wind 7 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (April 11, 2025)
Cloudy Weather

Day

54°

Night

34°

Wind

8 mph

UV Index

7

Precipitation

1 %

Weather Alerts and Warnings for

Severe Immediate Observed

Flood Warning

Flood Warning issued April 7 at 10:01AM CDT until April 11 at 7:00AM CDT by NWS Chicago IL
Apr 7, 10:01 AM Apr 11, 7:00 AM
...The Flood Warning continues for the following rivers in
Illinois...

Fox River at Algonquin Lock & Dam tailwater affecting McHenry,
Kane and Lake IL Counties.

For the Fox River (Illinois)...including Algonquin Lock & Dam
tailwater...Minor flooding is forecasted.

WHAT: Minor flooding is occurring and forecasted to continue.

WHERE: Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.

WHEN: From this morning to Saturday morning.

IMPACTS: At 9.5 feet, Fox River Drive threatened in East Dundee.
Boathouses threatened along the river in Cary.

ADDITIONAL DETAILS:
- At 9:30 AM CDT Tuesday the stage was 9.5 feet.
- Forecast...The river is expected to rise to a crest of 9.7
feet tomorrow morning. It is then expected to fall below
flood stage Saturday morning.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood
+ Read More
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 late tonight.
Updated: Apr 7, 11:24 AM Source: NWS Alert
Severe Future Possible

Flood Watch

Flood Watch issued April 6 at 10:24AM CDT until April 12 at 7:00AM CDT by NWS Chicago IL
Apr 7, 1:00 PM Apr 12, 7:00 AM
...The Flood Watch continues for the following rivers in Illinois...

Fox River at Algonquin Lock & Dam tailwater affecting Kane,
McHenry and Lake IL Counties.

...The Flood Watch is extended for the following rivers in
Illinois...

Des Plaines River at Lincolnshire affecting Northern Cook and
Lake IL zones.

For the Fox River (Illinois)...including Algonquin Lock & Dam
tailwater, Montgomery, Dayton...flooding is possible.

WHAT: Flooding is possible.

WHERE: Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.

WHEN: From Tuesday afternoon to Sunday morning.

IMPACTS: At 9.5 feet, Fox River Drive threatened in East Dundee.
Boathouses threatened along the river in Cary.

ADDITIONAL DETAILS:
- At 9:30 AM CDT Monday the stage was 9.3 feet.
- Forecast...Flood stage may be reached early tomorrow
afternoon.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood
+ Read More
A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 late tonight.
Updated: Apr 6, 6:36 PM Source: NWS Alert