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

Hazardous Weather Conditions

Current conditions at

Lone Rock Tri-County Regional Airport (KLNR)

Lat: 43.21°NLon: 90.19°WElev: 712ft.

A Few Clouds

89°F

32°C

Humidity 65%
Wind Speed W 8 mph
Barometer 29.94 in (1012.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 1 Sep 1:56 pm CDT
Extended Forecast for

Spring Green WI

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm.

    Low: 71 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming west around 5 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 71. Southwest wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 2am and 4am. Increasing clouds, with a low around 71. Southwest wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Green WI
 43.2°N 90.07°W (Elev. 745 ft)
Last Update:
2:46 pm CDT Sep 1, 2026
Forecast Valid:
2pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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