Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed E 7 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 8 Jun 7:45 am CDT
Extended Forecast for

Beloit WI

  • Today

    Today: Showers and thunderstorms.  High near 81. Southeast wind 10 to 15 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am.  Low around 66. Southeast wind 5 to 10 mph becoming light  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the morning.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph after midnight.  Chance of precipitation is 50%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Low around 68. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 86. Southwest wind 10 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 60. West wind 5 to 15 mph.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms. High near 81. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 3am. Low around 66. Southeast wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 69. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 68. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 86. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. West wind 5 to 15 mph.
Friday
A 20 percent chance of showers after 1pm. Sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
8:37 am CDT Jun 8, 2026
8am CDT Jun 8, 2026-6pm CDT Jun 14, 2026
 
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Additional Resources

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