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    ECMWF, GFS, ICON, GEM
    New: Official Warnings from National Meteorological Institutes Warning

    Varsler - Koshkonong

    Verden / USA / Wisconsin / Koshkonong

    42°50'N / 88°55'V / Højde 252 m / 17:04 28.04.2026, America/Chicago (UTC-5)

    oversvømmelse

    Flood Warning issued April 28 at 3:43PM CDT until May 5 at 1:00AM CDT by NWS Milwaukee/Sullivan WI

    fra: 28.04.2026, 15:43
    til: 29.04.2026, 03:45

    ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. Rock River At Jefferson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Tuesday, May 05. * IMPACTS...At 11.0 feet, In the Town of Lake Koshkonong, floodwaters affect Vets Lane, Blackhawk Island Road, and Oxbow Bend Road. There is widespread flooding of roads and docks in the Town of Koshkonong and Town of Sumner including Vets Lane, Blackhawk Island Road and Oxbow Bend Road. * ADDITIONAL DETAILS... - At 3:00 PM CDT Tuesday the stage was 11.1 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 PM CDT Tuesday was 11.2 feet. - Forecast...The river is expected to rise to a crest of 11.1 feet this evening. It will then fall below flood stage Monday evening. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.2 feet on 07/31/2010. - http://www.weather.gov/safety/flood

    • Jefferson, WI; Rock, WI
    • Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 345 AM CDT.
    • NWS Milwaukee/Sullivan WI
    • 28.04.2026, 15:43