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 >

Current conditions at

Chippewa Valley Regional Airport (KEAU)

Lat: 44.87°NLon: 91.49°WElev: 886ft.

Partly Cloudy

61°F

16°C

Humidity 84%
Wind Speed E 8 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 4:56 am CDT
Extended Forecast for

3 Miles ENE Colfax WI

Flood Watch August 18, 05:34am until August 18, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 18, 05:34am until August 18, 10:00am

    NOW until 10:00am Mon

    Flood Watch

  • Overnight

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 79. Southeast wind around 10 mph becoming south southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 66. Northwest wind around 5 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. North northwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. East southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 79. Southeast wind around 10 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 79. North northwest wind 5 to 10 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 58. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. South wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 57. West northwest wind around 5 mph.
Saturday
Sunny, with a high near 71. West northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 69. Northwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Colfax WI
 45°N 91.67°W (Elev. 997 ft)
4:28 am CDT Aug 18, 2025
5am 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