Cold Temperatures and Some Snow

A strong cold front and low pressure system will press from the Central U.S. through the East over the next couple of days. The impressive cold front will allow a cold air mass to settle in east of the Rockies and numerous record low temperatures are likely the next few days, especially Wednesday morning. A streak of snow is also expected from the central Plains to northern New England. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

41°F

5°C

Humidity 45%
Wind Speed W 7 mph
Barometer 30.05 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 20 Apr 6:45 pm CDT
Extended Forecast for

Harvard IL

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Scattered rain and snow showers before 7pm, then scattered snow showers between 7pm and 11pm.  Areas of frost after midnight.  Otherwise, mostly cloudy, with a low around 28. North wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Scattered
    Rain/Snow
    then Areas
    Frost

    Low: 28 °F

  • Wednesday

    Wednesday: Snow showers likely, possibly mixed with rain, mainly between 1pm and 4pm. Some thunder is also possible.  Mostly cloudy, with a high near 43. Light northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Rain/Snow
    Likely

    High: 43 °F

  • Wednesday
    Night

    Wednesday Night: Scattered rain and snow showers, mainly before 7pm.  Widespread frost after 10pm.  Otherwise, partly cloudy, with a low around 26. West wind 5 to 10 mph.  Chance of precipitation is 30%.

    Scattered
    Rain/Snow
    then Frost

    Low: 26 °F

  • Thursday

    Thursday: Widespread frost before 9am.  Otherwise, sunny, with a high near 56. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Frost then
    Sunny

    High: 56 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 36. Southwest wind 5 to 10 mph.

    Partly Cloudy

    Low: 36 °F

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Areas of frost before 7am.  Otherwise, mostly cloudy, with a high near 57.

    Areas Frost
    then Slight
    Chance
    Showers

    High: 57 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 42.

    Chance
    Showers

    Low: 42 °F

  • Saturday

    Saturday: A chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 59.

    Chance
    Showers

    High: 59 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 34.

    Partly Cloudy

    Low: 34 °F

Detailed Forecast

Tonight
Scattered rain and snow showers before 7pm, then scattered snow showers between 7pm and 11pm. Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 28. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
Snow showers likely, possibly mixed with rain, mainly between 1pm and 4pm. Some thunder is also possible. Mostly cloudy, with a high near 43. Light northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Scattered rain and snow showers, mainly before 7pm. Widespread frost after 10pm. Otherwise, partly cloudy, with a low around 26. West wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
Widespread frost before 9am. Otherwise, sunny, with a high near 56. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 36. Southwest wind 5 to 10 mph.
Friday
A 20 percent chance of showers after 1pm. Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 57.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A slight chance of showers. Partly sunny, with a high near 77. Breezy.
Click Map For Forecast
Point Forecast:
Harvard IL
 42.42°N 88.61°W
6:16 pm CDT Apr 20, 2021
6pm CDT Apr 20, 2021-6pm CDT Apr 27, 2021
 
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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