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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

Walker Municipal Airport (KY49)

Lat: 47.16°NLon: 94.65°WElev: 1348ft.

Partly Cloudy

58°F

14°C

Humidity 91%
Wind Speed SE 10 G 16 mph
Barometer 30.14 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 6:55 am CDT
Extended Forecast for

Cass Lake MN

  • Today

    Today: A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 68. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 58. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    T-storms then
    Showers
    Likely

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South wind around 5 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 68. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 58. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Southeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 81. Calm wind.
Wednesday Night
Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 82. South wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 5 mph becoming west after midnight.
Friday
Sunny, with a high near 75. West wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 54. West wind around 5 mph, with gusts as high as 15 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:
Cass Lake MN
 47.38°N 94.6°W
Last Update:
5:40 am CDT Aug 17, 2025
Forecast Valid:
7am 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