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

Lone Rock Tri-County Regional Airport (KLNR)

Lat: 43.21°NLon: 90.19°WElev: 712ft.

Fair

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 29.95 in (1013.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 9:56 pm CDT
Extended Forecast for

Spring Green WI

  • Tonight

    Tonight: Areas of fog after 5am. Otherwise, mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear
    then Areas
    Fog

  • Thursday

    Thursday: Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Areas of fog after 4am. Otherwise, mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Areas
    Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest around 5 mph.

    High: 82 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 62. Calm wind.

    Low: 62 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. South wind around 10 mph.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Areas of fog after 5am. Otherwise, mostly clear, with a low around 58. Calm wind.
Thursday
Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Areas of fog after 4am. Otherwise, mostly clear, with a low around 55. Calm wind.
Friday
Areas of fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest around 5 mph.
Friday Night
Increasing clouds, with a low around 62. Calm wind.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 80. South wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. South wind around 10 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Green WI
 43.18°N 90.07°W (Elev. 725 ft)
Last Update:
10:16 pm CDT Aug 26, 2026
Forecast Valid:
10pm CDT Aug 26, 2026-6pm CDT Sep 2, 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