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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

54°F

12°C

Humidity 67%
Wind Speed NW 8 mph
Barometer 29.85 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 13 May 1:35 am CDT
Extended Forecast for

Milton WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light northwest in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. Southeast wind 5 to 10 mph.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 64. Northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light northwest in the evening.
Thursday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 54. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Milton WI
 42.77°N 88.94°W (Elev. 896 ft)
Last Update:
1:21 am CDT May 13, 2026
Forecast Valid:
1am CDT May 13, 2026-6pm CDT May 19, 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