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.

Fair

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 8.00 mi
Last update 2 Sep 11:56 pm CDT
Extended Forecast for

Spring Green WI

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.

    High: 89 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 69. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 88. Heat index values as high as 97. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 88 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 84 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 69. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 88. Heat index values as high as 97. Southeast wind around 5 mph becoming southwest in the afternoon.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Labor Day
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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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:
12:11 am CDT Sep 3, 2026
Forecast Valid:
12am CDT Sep 3, 2026-6pm CDT Sep 9, 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