National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Light Rain Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.82 in (1010.9 mb)
Dewpoint 45°F (7°C)
Visibility 1.50 mi
Wind Chill42°F (6°C)
Last update 18 May 7:55 pm CDT
Extended Forecast for

Hermantown MN

Dense Fog Advisory until May 18, 10:00pm
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until May 18, 10:00pm

    NOW until 10:00pm Mon

    Dense Fog Advisory

  • Tonight

    Low: 41 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 49. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. Breezy, with a northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Areas
    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 59 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 1pm. Partly sunny, with a high near 59. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then showers likely. Low around 41. Breezy, with an east wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 49. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. Breezy, with a northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59. Northwest wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 39. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers after 1pm. Partly sunny, with a high near 59. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 40. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 59. East wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 43. East wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 48. Southeast wind around 5 mph.
Memorial Day
A chance of showers. Mostly sunny, with a high near 74. South wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hermantown MN
 46.81°N 92.23°W
Last Update:
6:56 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation