Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

64°F

18°C

Humidity 64%
Wind Speed SE 12 G 17 mph
Barometer 30.07 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Sep 4:45 pm CDT
Extended Forecast for

5 Miles NNW Shirland IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Mostly cloudy, with a high near 70. Southeast wind around 15 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.  Low around 64. Southeast wind around 15 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: 64 °F

    Mostly Cloudy
    then Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm.  High near 76. Southwest wind 10 to 15 mph becoming west in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm.  Mostly cloudy, with a high near 71. East wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely before 1pm.  Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph in the morning.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 70. Southeast wind around 15 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 64. Southeast wind around 15 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.
Tuesday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. High near 76. Southwest wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming northeast after midnight.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely before 1pm. Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
2:41 pm CDT Sep 14, 2026
5pm CDT Sep 14, 2026-6pm CDT Sep 21, 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