Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

82°F

28°C

Humidity 62%
Wind Speed SW 12 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 4 Aug 11:45 am CDT
Extended Forecast for

Evansville WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Southwest wind around 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Low around 64. Southwest wind around 5 mph becoming north after midnight.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 11am.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 73. Northwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Southwest wind around 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 64. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 62. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Evansville WI
 42.79°N 89.3°W (Elev. 932 ft)
12:31 pm CDT Aug 4, 2026
12pm CDT Aug 4, 2026-6pm CDT Aug 10, 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