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

Hazardous Weather Conditions

Current conditions at

Duluth - Sky Harbor Airport (KDYT)

Lat: 46.72°NLon: 92.04°WElev: 607ft.

Thunderstorm in Vicinity

79°F

26°C

Humidity 51%
Wind Speed SW 10 mph
Barometer 29.84 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 7:35 pm CDT
Extended Forecast for

Duluth MN

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 57. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind around 5 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 76. Light south wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming west after midnight.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Breezy, with a west wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 57. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 76. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 76. Light south wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming west after midnight.
Friday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Breezy, with a west wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
A slight chance of showers after 1pm. Sunny, with a high near 73. North wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 56. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 72. North wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 73. East wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duluth MN
 46.79°N 92.1°W
Last Update:
4:56 pm CDT Aug 17, 2026
Forecast Valid:
7pm CDT Aug 17, 2026-6pm CDT Aug 24, 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