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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

52°F

11°C

Humidity 88%
Wind Speed N 5 mph
Barometer 30.37 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 Sep 5:45 am CDT
Extended Forecast for

5 Miles NNW Shirland IL

  • Today

    Today: Mostly cloudy, with a high near 65. North wind 5 to 10 mph becoming east in the morning.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. East wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. Calm wind becoming east around 5 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. East wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Southeast wind around 5 mph.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 65. North wind 5 to 10 mph becoming east in the morning.
Tonight
Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 67. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 65. Calm wind becoming east around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 48. East wind around 5 mph.
Saturday
Mostly cloudy, with a high near 63. Southeast wind around 5 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Shirland IL
 42.54°N 89.22°W (Elev. 850 ft)
Last Update:
5:41 am CDT Sep 23, 2026
Forecast Valid:
5am CDT Sep 23, 2026-6pm CDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation