Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Current conditions at

Lone Rock Tri-County Regional Airport (KLNR)

Lat: 43.21°NLon: 90.19°WElev: 712ft.

Fair

77°F

25°C

Humidity 47%
Wind Speed Calm
Barometer 29.86 in (1010.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Jun 7:56 pm CDT
Extended Forecast for

Spring Green WI

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 51. Northwest wind 5 to 10 mph.

    Low: 51 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. Northwest wind 5 to 15 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. West wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Southwest wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 51. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 70. Northwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 74. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind around 5 mph.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms. Low around 56. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 53.
Juneteenth
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Green WI
 43.18°N 90.07°W (Elev. 725 ft)
8:37 pm CDT Jun 12, 2026
8pm CDT Jun 12, 2026-6pm CDT Jun 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database