Blistering Heat Wave Across Southern Plains and Lower Mississippi Valley This Weekend; Wet Weather In The East

A scorching Heat Wave will continue across the southern tier of the country. Temperatures and Heat Indices will reach or easily surpass triple digits, as a ridge of high pressure dominates. Widespread Excessive Heat Warnings and Advisories are in effect, will persist and spread into the Southwest/CA next week. Meanwhile, locally heavy rain will be possible for the OH Valley/Mid-Atl/Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

21°C

70°F

Humidity 94%
Wind Speed NW 17 km/h
Barometer 29.76 in
Dewpoint 20°C (68°F)
Visibility 10 km
Last update 21 Jul 5:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Cloudy, with a high near 25. North wind 20 to 25 km/h.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Showers
    Likely

    High: 25 °C

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 18. North wind 20 to 25 km/h.

    Chance
    Showers then
    Slight Chance
    Showers

    Low: 18 °C

  • Sunday

    Sunday: A 30 percent chance of showers.  Mostly cloudy, with a high near 25. North wind 20 to 25 km/h.

    Chance
    Showers

    High: 25 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 16. North wind 10 to 15 km/h.

    Partly Cloudy

    Low: 16 °C

  • Monday

    Monday: Sunny, with a high near 28. North wind around 10 km/h.

    Sunny

    High: 28 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 5 to 10 km/h.

    Mostly Clear

    Low: 17 °C

  • Tuesday

    Tuesday: Sunny, with a high near 29. Northwest wind 5 to 10 km/h.

    Sunny

    High: 29 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h.

    Mostly Clear

    Low: 18 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    Mostly Sunny

    High: 28 °C

Detailed Forecast

Today
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 25. North wind 20 to 25 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 18. North wind 20 to 25 km/h.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 25. North wind 20 to 25 km/h.
Sunday Night
Partly cloudy, with a low around 16. North wind 10 to 15 km/h.
Monday
Sunny, with a high near 28. North wind around 10 km/h.
Monday Night
Mostly clear, with a low around 17. Northwest wind 5 to 10 km/h.
Tuesday
Sunny, with a high near 29. Northwest wind 5 to 10 km/h.
Tuesday Night
Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 15.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 25.
Click Map For Forecast
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 245 m)
6:08 am CDT Jul 21, 2018
6am CDT Jul 21, 2018-6pm CDT Jul 27, 2018
 
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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