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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

57°F

14°C

Humidity 77%
Wind Speed NE 15 mph
Barometer 30.20 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Sep 6:45 pm CDT
Extended Forecast for

4 Miles SE Stoughton WI

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 50. Northeast wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 61. Northeast wind 10 to 15 mph.

    High: 61 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Northeast wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. East wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 50. Northeast wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 61. Northeast wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 46. Northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 65. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 67.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Stoughton WI
 42.87°N 89.17°W (Elev. 899 ft)
Last Update:
5:51 pm CDT Sep 21, 2026
Forecast Valid:
7pm CDT Sep 21, 2026-6pm CDT Sep 28, 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