Station Name: Superior
Data Source: USGS

Elevation Above Sea Level: 587 feet

Nearest Address:
182 Marina Dr
Superior, WI 54880
Douglas County

GPS Coordinates: 46.7217, -92.0635

Nearby Water Temperatures

Fire Weather Watch issued July 11 at 9:08PM CDT until July 13 at 9:00PM CDT by NWS Duluth MN

Effective: Sat July 11, 2026, 9:08 PM
Expires: Sun July 12, 2026, 9:15 AM

* AFFECTED AREA...In Minnesota, Southern Lake, Southern Cook, North Cass, South Itasca and Carlton and South St. Louis. * WINDS...Southwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 30 percent. * IMPACTS...The rapid spread of any fires may occur due to the forecast weather conditions and dry fuels per guidance from local land management agencies.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Extreme Heat Warning issued July 11 at 9:05PM CDT until July 14 at 1:00AM CDT by NWS Duluth MN

Effective: Sat July 11, 2026, 9:05 PM
Expires: Sun July 12, 2026, 9:15 AM

* WHAT...Dangerously hot conditions with heat index values up to 99 expected. * WHERE...In Minnesota, Southern Cook and Southern Lake Counties. In Wisconsin, Ashland, Iron, and Sawyer Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the Grand Portage Reservation, the Bad River Reservation and the northwestern area of the Lac du Flambeau Band. Other locations including Madeline Island. * WHEN...From 11 AM Sunday to 1 AM CDT Tuesday. * 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.

Fire Weather Watch issued July 12 at 12:12AM CDT until July 13 at 9:00PM CDT by NWS Duluth MN

Effective: Sun July 12, 2026, 12:12 AM
Expires: Sun July 12, 2026, 4:00 PM

* AFFECTED AREA...In Minnesota, Southern Lake, Southern Cook, North Cass, South Itasca, Carlton and South St. Louis. * WINDS...Southwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 30 percent. * IMPACTS...The rapid spread of any fires may occur due to the forecast weather conditions and dry fuels per guidance from local land management agencies.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Small Craft Advisory issued July 11 at 11:52PM CDT until July 12 at 10:00PM CDT by NWS Duluth MN

Effective: Sat July 11, 2026, 11:52 PM
Expires: Sun July 12, 2026, 12:00 PM

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. Highest winds in western Apostle Islands and near Sand Island. * WHERE...Port Wing to Sand Island WI to Bayfield and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...From 10 AM to 10 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.