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

Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

14°F

-10°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 15 Dec 9:15 pm CST
Extended Forecast for

2 Miles ENE Footville WI

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 11. Calm wind becoming south around 5 mph after midnight.

    Low: 11 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog between 9am and 10am. Otherwise, partly sunny, with a high near 34. Southwest wind 5 to 15 mph.

    High: 34 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Southwest wind 10 to 15 mph becoming west after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. West wind 5 to 10 mph becoming south in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely after midnight. Mostly cloudy, with a temperature falling to near 29 by 9pm, then rising to around 37 during the remainder of the night. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F⇑

    Mostly Cloudy
    then Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Rain showers before noon, then a chance of rain and snow showers. Temperature rising to near 38 by 8am, then falling to around 29 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 38 °F⇓

    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 6 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 24. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 11. Calm wind becoming south around 5 mph after midnight.
Tuesday
Patchy fog between 9am and 10am. Otherwise, partly sunny, with a high near 34. Southwest wind 5 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Southwest wind 10 to 15 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 35. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Showers likely after midnight. Mostly cloudy, with a temperature falling to near 29 by 9pm, then rising to around 37 during the remainder of the night. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers before noon, then a chance of rain and snow showers. Temperature rising to near 38 by 8am, then falling to around 29 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly sunny, with a high near 24. Northwest wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Footville WI
 42.67°N 89.18°W (Elev. 955 ft)
Last Update:
8:57 pm CST Dec 15, 2025
Forecast Valid:
9pm CST Dec 15, 2025-6pm CST Dec 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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