Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

61°F

16°C

Humidity 77%
Wind Speed SE 10 mph
Barometer 30.00 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 May 10:15 pm CDT
Extended Forecast for

5 Miles NNE Shirland IL

  • Tonight

    Tonight: Scattered showers and thunderstorms before 3am, then isolated showers between 3am and 4am.  Cloudy, with a low around 57. Southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 50%.

    Low: 57 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 83. East wind 5 to 15 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 3am, then isolated showers between 3am and 4am. Cloudy, with a low around 57. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Memorial Day
Sunny, with a high near 87. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 58. South wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 85. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. East wind 5 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Shirland IL
 42.54°N 89.16°W (Elev. 820 ft)
8:32 pm CDT May 23, 2026
10pm CDT May 23, 2026-6pm CDT May 30, 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