Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Juneau, Dodge County Airport (KUNU)

Lat: 43.43°NLon: 88.7°WElev: 935ft.

Fair

86°F

30°C

Humidity 39%
Wind Speed SW 9 mph
Barometer 30.04 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jul 4:41 pm CDT
Extended Forecast for

Mayville WI

  • Tonight

    Tonight: Patchy smoke before 9pm. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm.  Mostly cloudy, with a high near 81. Light south wind becoming southeast 5 to 10 mph in the morning.  Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am.  Low around 60. East wind 10 to 15 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 75. Northeast wind 10 to 15 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Northeast wind around 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. North wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke before 9pm. Mostly cloudy, with a low around 62. South wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 81. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 60. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 75. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 57. Northeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 78. North wind around 10 mph.
Sunday Night
Clear, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville WI
 43.5°N 88.54°W (Elev. 974 ft)
3:32 pm CDT Jul 30, 2026
5pm CDT Jul 30, 2026-6pm CDT Aug 6, 2026
 
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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