Hourly Weather | Today Monday, June 29, 2026
Active Weather Warnings
Duluth, Minnesota
11 PM
Cloudy Weather
57°
Feels Like 54°
39
Humidity: 100%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Duluth

Minor Expected Observed

Marine Weather Statement

Marine Weather Statement issued June 29 at 9:45PM CDT by NWS Duluth MN
Jun 29, 9:45 PM Jun 29, 10:15 PM
The areas affected include...
Duluth MN to Port Wing WI...
Lake Superior west of a line from Saxon Harbor WI to Grand Portage
MN beyond 5NM...
Two Harbors to Duluth MN...

At 945 PM CDT, Doppler radar indicated a strong thunderstorm, capable
of producing winds to around 30 knots and small hail. This
thunderstorm was located 14 nm southwest of Barkers Island, or 16 nm
southwest of Duluth Lift Bridge Channel, moving northeast at 35
knots.

The strong thunderstorm will be near...
Barkers Island, Superior Harbor, Duluth Harbor, and Superior Entry
around 1000 PM CDT.
Duluth Lift Bridge Channel around 1005 PM CDT.

Other locations impacted by the strong thunderstorm include Superior
Entry.
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Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes.
Updated: Jun 29, 9:56 PM Source: NWS Alert