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

Hazardous Weather Conditions

Current conditions at

Merrill, Merrill Municipal Airport (KRRL)

Lat: 45.2°NLon: 89.71°WElev: 1302ft.

Fair

90°F

32°C

Humidity 44%
Wind Speed SW 9 mph
Barometer 29.91 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 1 Sep 4:30 pm CDT
Extended Forecast for

Merrill WI

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 3am, then a slight chance of showers after 4am. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers and
    Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Widespread fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 81 °F

    Chance
    Showers and
    Fog then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 3am, then a slight chance of showers after 4am. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms. Widespread fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 56.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 74.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrill WI
 45.19°N 89.67°W (Elev. 1293 ft)
Last Update:
4:26 pm CDT Sep 1, 2026
Forecast Valid:
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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