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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

52°F

11°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 4:35 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: Sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southwest wind around 10 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind around 10 mph becoming northwest in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 68. Northeast wind 5 to 10 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 80. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 61. South wind 5 to 10 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 66. Southwest wind around 10 mph.
Tuesday
Sunny, with a high near 76. Southwest wind around 10 mph becoming northwest in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 68. Northeast wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
4:26 am CDT Oct 11, 2026
Forecast Valid:
4am CDT Oct 11, 2026-6pm CDT Oct 17, 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