Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 8 Sep 10:55 pm CDT
Extended Forecast for

Palmyra WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 69. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon.  High near 80. West wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming north around 5 mph in the morning.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Increasing clouds, with a high near 80. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 69. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon. High near 80. West wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 61. South wind 5 to 10 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Increasing clouds, with a high near 80. Southwest wind around 10 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Palmyra WI
 42.89°N 88.61°W (Elev. 797 ft)
10:33 pm CDT Sep 8, 2026
11pm CDT Sep 8, 2026-6pm CDT Sep 15, 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