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Areas of Excessive Rainfall and Extreme Heat; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding Tuesday. Hot to extremely hot temperatures are in place through Tuesday across much of the western U.S. and northern New England. Tropical Storm Erin is forecast to become a Major Hurricane by this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed SW 10 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 11 Aug 10:55 pm CDT
Extended Forecast for

Hermantown MN

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am. Areas of smoke before 2am. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Patchy smoke after 4pm. Partly sunny, with a high near 76. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Partly Sunny
    then Patchy
    Smoke and
    Breezy

  • Tuesday Night

    Tuesday Night: Areas of smoke. Mostly clear, with a low around 53. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke before 8am. Sunny, with a high near 75. Northwest wind around 5 mph.

    High: 75 °F

    Areas Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming east after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming northeast after midnight.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Areas of smoke before 2am. Mostly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Patchy smoke after 4pm. Partly sunny, with a high near 76. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Areas of smoke. Mostly clear, with a low around 53. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Areas of smoke before 8am. Sunny, with a high near 75. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming east after midnight.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming northeast after midnight.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77. Northeast wind 5 to 10 mph.
Saturday Night
A chance of showers. Partly cloudy, with a low around 59. Northeast wind around 5 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 71. East wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 56. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A slight chance of showers. Partly sunny, with a high near 70. East wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermantown MN
 46.81°N 92.26°W
Last Update:
9:26 pm CDT Aug 11, 2025
Forecast Valid:
11pm CDT Aug 11, 2025-6pm CDT Aug 18, 2025
 
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