Station Name: Dubuque L&D 11
Data Source: USGS

Elevation Above Sea Level: 604 feet

Nearest Address:
3094 Volunteer Dr
Dubuque, IA 52001
Dubuque County

GPS Coordinates: 42.54, -90.6461

Nearby Water Temperatures

Special Weather Statement issued July 27 at 1:53AM CDT by NWS La Crosse WI

Effective: Mon July 27, 2026, 1:53 AM
Expires: Mon July 27, 2026, 7:00 AM

Light winds and humid condition have allowed fog to develop tonight. Be prepared for fog that could suddenly reduce visibilities to 1/4 mile or less through the daybreak. Expect the fog to dissipate around 7 AM. Slow down and allow extra time to reach your destination.

Special Weather Statement issued July 27 at 1:41AM CDT by NWS Quad Cities IA IL

Effective: Mon July 27, 2026, 1:41 AM
Expires: Mon July 27, 2026, 7:00 AM

Light winds and very humid conditions have resulted in areas of fog across portions of eastern Iowa and northwest Illinois. The fog could become locally dense at times with visibilities down to a quarter mile, especially in low-lying locations. Expect conditions to quickly improve by the mid morning hours. Motorists should exercise caution as visibilities may change suddenly over short distances. Use low beam headlights and leave plenty of distance between you and the vehicle ahead.

Dense Fog Advisory issued July 27 at 3:39AM CDT until July 27 at 8:00AM CDT by NWS Quad Cities IA IL

Effective: Mon July 27, 2026, 3:39 AM
Expires: Mon July 27, 2026, 12:00 PM

* WHAT...For the Dense Fog Advisory, visibility as low as a quarter mile at times in dense fog. For the Extreme Heat Warning, a dangerous combination of oppressively hot and humid conditions with heat index values between 105 to 115 expected. * WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and Dubuque Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT this morning. For the Extreme Heat Warning, until 10 PM CDT this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Extreme Heat Warning issued July 27 at 3:39AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Mon July 27, 2026, 3:39 AM
Expires: Mon July 27, 2026, 12:00 PM

* WHAT...For the Dense Fog Advisory, visibility as low as a quarter mile at times in dense fog. For the Extreme Heat Warning, a dangerous combination of oppressively hot and humid conditions with heat index values between 105 to 115 expected. * WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and Dubuque Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT this morning. For the Extreme Heat Warning, until 10 PM CDT this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Dense Fog Advisory issued July 27 at 7:54AM CDT until July 27 at 8:00AM CDT by NWS Quad Cities IA IL

Effective: Mon July 27, 2026, 7:54 AM
Expires: Mon July 27, 2026, 4:00 PM

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...A dangerous combination of oppressively hot and humid conditions with heat index values between 105 to 115 expected. * WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and Dubuque Counties. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.