National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerously Hot This Weekend - Be Ready!

Heat Advisories and Warnings are in effect this weekend with widespread hot and humid conditions. This heat will be dangerous - children, pets and the elderly are especially susceptible to the heat - check on them!!  Read More >

Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

85°F

29°C

Humidity 47%
Wind Speed SW 12 G 16 mph
Barometer 29.81 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Jun 1:55 pm CDT
Extended Forecast for

8 Miles E Merrillan WI

Heat Advisory June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 83. South wind around 9 mph, with gusts as high as 18 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 9 to 11 mph, with gusts as high as 26 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. South wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 76 °F

    Clear then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 83. South wind around 9 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 73. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 9 to 11 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 77. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Sunday
Sunny and hot, with a high near 95. South wind 8 to 11 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 24 mph.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 60. Light southeast wind. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 75. East wind around 6 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. East wind 3 to 5 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Merrillan WI
 44.44°N 90.67°W
Last Update:
1:28 pm CDT Jun 20, 2025
Forecast Valid:
2pm CDT Jun 20, 2025-6pm CDT Jun 26, 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