closegps_fixed
Elev 896 ft, 42.28 °N, 88.33 °W

Crystal Lake, IL Severe Weather Alertstar_ratehome

icon45 Â°F Crystal Lake Station|Report|Change
Current Station
Personal Weather Station
Location: Crystal Lake, IL
Elevation: 896ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:52 PM Apr. 10, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

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

* WHEN...Until further notice.

* IMPACTS...At 10.0 feet, Winaki Trail and Onaway Trail are
threatened south of Algonquin. Athletic fields inundated at Judson
College in Elgin.

* ADDITIONAL DETAILS...
- At 9:30 AM CDT Friday the stage was 9.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM CDT Friday was 10.0 feet.
- Forecast...The river is expected to rise to a crest of 10.1
feet this evening before gradually falling into next week.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&



Local Radar
Local Radar ImageLocal Severe Image