Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

81°F

27°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 5:45 pm CDT
Extended Forecast for

Delavan WISimilar City Names

  • Tonight

    Tonight: A chance of rain before 2am, then a chance of showers and thunderstorms, mainly after 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 66. South wind around 5 mph.  Chance of precipitation is 50%.

    Chance Rain
    then Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83. South wind 5 to 10 mph.

    Chance
    T-storms

    High: 83 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 67. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms
    Likely

    Low: 67 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 10 to 15 mph becoming northwest in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    Showers

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 54. Northwest wind 5 to 10 mph.

    Mostly Clear

    Low: 54 °F

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    Sunny

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 50. North wind around 5 mph becoming calm  in the evening.

    Mostly Clear
    then Patchy
    Fog

    Low: 50 °F

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 72. North wind around 5 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 72 °F

  • Thursday
    Night

    Thursday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 51.

    Mostly Clear
    then Patchy
    Fog

    Low: 51 °F

Detailed Forecast

Tonight
A chance of rain before 2am, then a chance of showers and thunderstorms, mainly after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 50%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 5 to 10 mph.
Monday Night
Showers and thunderstorms likely, mainly between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 54. Northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. North wind around 5 mph.
Thursday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 51.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Delavan WISimilar City Names
 42.63°N 88.62°W (Elev. 958 ft)
3:37 pm CDT Aug 20, 2017
6pm CDT Aug 20, 2017-6pm CDT Aug 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database