Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 6:45 am CDT
Extended Forecast for

2 Miles N Janesville WI

  • Today

    Today: Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming west around 5 mph in the morning.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 68. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 70. West wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Calm wind becoming northwest around 5 mph in the morning.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. North wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the morning.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming south after midnight.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming west around 5 mph in the morning.
Tonight
Clear, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
Clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 94. Calm wind becoming northwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 69. North wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming south after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Janesville WI
 42.71°N 89.03°W (Elev. 768 ft)
6:31 am CDT Jul 13, 2026
7am CDT Jul 13, 2026-6pm CDT Jul 19, 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