Station Name: FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 728 feet

Nearest Address:
Charles J Miller Rd
McHenry, IL 60051
McHenry County

GPS Coordinates: 42.3233333, -88.2516667

Nearby Water Temperatures

Flood Warning issued May 5 at 2:32AM CDT until May 7 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Tue May 5, 2026, 2:32 AM
Expires: Tue May 5, 2026, 2:45 PM

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Afton affecting Winnebago and Rock Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until early Thursday afternoon. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 2:00 AM CDT Tuesday the stage was 9.3 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:00 AM CDT Tuesday was 9.5 feet. - Forecast...The river is expected to fall below flood stage Thursday morning and continue falling to 8.1 feet Monday evening. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.4 feet on 03/29/2020. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 245 PM CDT.

Flood Warning issued May 5 at 9:55AM CDT until May 8 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Tue May 5, 2026, 9:55 AM
Expires: Tue May 5, 2026, 10:00 PM

...The Flood Warning is extended for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until Friday morning. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 8:00 AM CDT Tuesday the stage was 9.3 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Tuesday was 9.5 feet. - Forecast...The river is expected to fall below flood stage early Friday morning and continue falling to 8.0 feet Tuesday, May 12. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.4 feet on 03/29/2020. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1000 PM CDT.