Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Duluth International Airport (KDLH)

Lat: 46.84°NLon: 92.19°WElev: 1427ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed E 13 mph
Barometer 30.08 in (1019.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 1:55 am CDT
Extended Forecast for

2 Miles W Hermantown MN

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 56. North wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 78. North wind around 5 mph becoming east in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 59. Northwest wind 5 to 10 mph.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76. North wind 5 to 10 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 78. North wind around 5 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 55. West wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 68. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hermantown MN
 46.81°N 92.29°W
12:27 am CDT Aug 18, 2025
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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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