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

Hot Temperatures in the Northwest U.S.; Excessive Rainfall Potential in the Southwest U.S.

Hot to extremely hot daytime temperatures remain in place across coastal southern California and the interior Northwest, with the Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

61°F

16°C

Humidity 83%
Wind Speed SW 5 mph
Barometer 29.93 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 2 Sep 11:55 pm CDT
Extended Forecast for

3 Miles N Sharon WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 69. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 5 to 10 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 50. South wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph.

    High: 62 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. West wind 5 to 15 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 69. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 50. South wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph.
Friday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 64. West wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 45.
Monday
Partly sunny, with a high near 69.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Sharon WI
 42.55°N 88.72°W (Elev. 951 ft)
Last Update:
11:54 pm CDT Sep 2, 2025
Forecast Valid:
12am CDT Sep 3, 2025-6pm CDT Sep 9, 2025
 
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