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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

Rush City Regional Airport (KROS)

Lat: 45.7°NLon: 92.95°WElev: 919ft.

Rain

64°F

18°C

Humidity 94%
Wind Speed NE 3 mph
Barometer 30.05 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 17 Aug 11:15 pm CDT
Extended Forecast for

4 Miles E Grantsburg WI

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog after 1am. Low around 63. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    T-storms and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, mainly before noon. Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

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

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog after 1am. Low around 63. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, mainly before noon. Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 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
Partly cloudy, with a low around 59. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 78. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 5 mph.
Friday
Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 54. West wind around 5 mph.
Saturday
Sunny, with a high near 71. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 48. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 70. Northwest wind around 5 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Grantsburg WI
 45.78°N 92.59°W
Last Update:
9:56 pm CDT Aug 17, 2025
Forecast Valid:
11pm CDT Aug 17, 2025-6pm CDT Aug 24, 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