National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

A Few Clouds

88°F

31°C

Humidity 43%
Wind Speed E 9 mph
Barometer 30.19 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 12 Jul 3:45 pm CDT
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Tonight

    Tonight: Clear, with a low around 65. Calm wind becoming southwest around 5 mph.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. Heat index values as high as 96. West wind around 5 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 69. West wind around 5 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. West wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Northwest wind around 5 mph.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the morning.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 65. Calm wind becoming southwest around 5 mph.
Monday
Sunny and hot, with a high near 92. Heat index values as high as 96. West wind around 5 mph.
Monday Night
Clear, with a low around 69. West wind around 5 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 70. West wind around 5 mph.
Wednesday
Sunny and hot, with a high near 94. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
Last Update:
2:41 pm CDT Jul 12, 2026
Forecast Valid:
4pm CDT Jul 12, 2026-6pm CDT Jul 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation