Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

30°F

-1°C

Humidity 86%
Wind Speed S 7 mph
Barometer 29.77 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 5 Jan 3:10 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southwest wind around 5 mph becoming southeast in the afternoon.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly after 3am.  Patchy fog after 9pm.  Otherwise, cloudy, with a low around 32. East wind around 5 mph becoming calm  after midnight.

    Low: 32 °F

    Patchy Fog
    then Chance
    Rain and
    Areas Fog

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon.  Areas of fog before 7am.  Otherwise, mostly cloudy, with a high near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 41 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. West wind 5 to 10 mph becoming light  in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Light west wind becoming south 5 to 10 mph in the morning.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. South wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon.  Increasing clouds, with a high near 47. South wind around 5 mph becoming north in the afternoon.

    High: 47 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Southwest wind 5 to 10 mph.
Monday
Partly sunny, with a high near 40. Southwest wind around 5 mph becoming southeast in the afternoon.
Monday Night
A 50 percent chance of rain, mainly after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 32. East wind around 5 mph becoming calm after midnight.
Tuesday
A 40 percent chance of rain before noon. Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 41. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 29. West wind 5 to 10 mph becoming light in the evening.
Wednesday
Mostly sunny, with a high near 45. Light west wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 34. South wind 5 to 10 mph.
Thursday
A 20 percent chance of rain after noon. Increasing clouds, with a high near 47. South wind around 5 mph becoming north in the afternoon.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 33.
Friday
Rain likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
3:07 am CST Jan 5, 2026
3am CST Jan 5, 2026-6pm CST Jan 11, 2026
 
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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