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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

Richard I. Bong Airport (KSUW)

Lat: 46.68°NLon: 92.09°WElev: 669ft.

Fair

65°F

18°C

Humidity 74%
Wind Speed NE 17 G 29 mph
Barometer 30.16 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 2:35 pm CDT
Extended Forecast for

Superior WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog after 1am. Low around 58. Breezy, with an east wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Chance
    T-storms and
    Breezy then
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 2pm. Patchy fog between 9am and 11am. Otherwise, cloudy, with a high near 72. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. Northwest wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Northwest wind around 5 mph becoming northeast in the afternoon.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 55 °F

    Mostly Clear

  • Wednesday

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

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog after 1am. Low around 58. Breezy, with an east wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, mainly before 2pm. Patchy fog between 9am and 11am. Otherwise, cloudy, with a high near 72. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 58. Northwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 74. Northwest wind around 5 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 55. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 69. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Superior WI
 46.66°N 92.11°W
Last Update:
2:40 pm CDT Aug 17, 2025
Forecast Valid:
2pm CDT Aug 17, 2025-6pm CDT Aug 23, 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