Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

10°F

-12°C

Humidity 67%
Wind Speed W 15 mph
Barometer 30.08 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 22 Jan 4:35 am CST
Extended Forecast for

3 Miles ESE Avalon WI

Extreme Cold Watch January 23, 01:00pm until January 24, 12:00pm
Extreme Cold Warning January 23, 12:00am until January 23, 01:00pm
Click here for hazard details and duration
Extreme Cold Watch
Extreme Cold Warning
  • Today

    Today: Scattered flurries between 10am and noon, then isolated snow showers after noon.  Patchy blowing snow between noon and 3pm. Mostly cloudy, with a high near 17. Wind chill values between -10 and zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 17 °F

    Isolated Snow
    Showers and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Scattered flurries before 10pm.  Partly cloudy, with a low around -17. Wind chill values between -25 and -35. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -17 °F

    Scattered
    Flurries and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -7. Wind chill values between -30 and -40. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -17. Wind chill values between -20 and -25. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -17 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after noon.  Mostly cloudy and cold, with a high near 3. Calm wind becoming north around 5 mph.

    High: 3 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around -6. Calm wind becoming north around 5 mph after midnight.

    Low: -6 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow.  Mostly cloudy and cold, with a high near 10. North wind 5 to 10 mph.

    High: 10 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around -8. Northwest wind around 5 mph.

    Low: -8 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

Today
Scattered flurries between 10am and noon, then isolated snow showers after noon. Patchy blowing snow between noon and 3pm. Mostly cloudy, with a high near 17. Wind chill values between -10 and zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Scattered flurries before 10pm. Partly cloudy, with a low around -17. Wind chill values between -25 and -35. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -7. Wind chill values between -30 and -40. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -17. Wind chill values between -20 and -25. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of snow showers after noon. Mostly cloudy and cold, with a high near 3. Calm wind becoming north around 5 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -6. Calm wind becoming north around 5 mph after midnight.
Sunday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 10. North wind 5 to 10 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -8. Northwest wind around 5 mph.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Partly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 1.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Avalon WI
 42.64°N 88.77°W (Elev. 912 ft)
3:21 am CST Jan 22, 2026
4am CST Jan 22, 2026-6pm CST Jan 28, 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