Wisconsin

Jefferson County

Freeze Warning issued May 1 at 11:13PM CDT until May 2 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

May 1st, 11:13 PM — 7:15 AM

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Flood Warning issued May 1 at 9:25PM CDT by NWS Milwaukee/Sullivan WI

May 1st, 9:25 PM — 9:30 AM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring. * WHERE...ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 10.5 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 10.7 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.6 feet on 03/26/2011. - http://www.weather.gov/safety/flood

Flood Warning issued May 1 at 9:25PM CDT until May 3 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

May 1st, 9:25 PM — 9:30 AM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Fort Atkinson. * WHEN...Until early Sunday afternoon. * IMPACTS...At 16.0 feet, Floodwaters affect some park land and boat launches. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 16.2 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 16.4 feet. - Forecast...The river is expected to fall below flood stage Sunday morning and continue falling to 14.7 feet Friday, May 08. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 16.2 feet on 04/06/2007. - http://www.weather.gov/safety/flood

Flood Warning issued May 1 at 9:25PM CDT until May 5 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

May 1st, 9:25 PM — 9:30 AM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Tuesday evening. * IMPACTS...At 10.5 feet, Floodwaters reach Oxbow Bend Road in the area of the gage on the east side of the lake. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 10.6 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 10.8 feet. - Forecast...The river is expected to fall below flood stage early Tuesday afternoon and continue falling to 9.3 feet Friday, May 08. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.6 feet on 04/07/2007. - http://www.weather.gov/safety/flood

Flood Warning issued May 1 at 9:25PM CDT until May 7 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

May 1st, 9:25 PM — 9:30 AM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until early Thursday afternoon. * IMPACTS...At 10.0 feet, Floodwaters affect the property of a home on South Christian Road on the east side of the river in the Afton area. Minor erosional flood damage occurs to lowland and agricultural land adjacent to the river the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 10.0 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 10.1 feet. - Forecast...The river is expected to rise to a crest of 10.0 feet just after midnight tonight. It will then fall below flood stage Thursday morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 10.0 feet on 04/06/1960. - http://www.weather.gov/safety/flood

Flood Warning issued May 1 at 9:25PM CDT by NWS Milwaukee/Sullivan WI

May 1st, 9:25 PM — 9:30 AM

...The Flood Warning is extended for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Newville. * WHEN...Until further notice. * IMPACTS...At 6.5 feet, Floodwaters are in the back yards of homes and businesses near east Mallwood Road Drive in Newville. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 6.8 feet. - Bankfull stage is 5.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 7.0 feet. - Forecast...No forecast is available for this location. - Flood stage is 6.5 feet. - Flood History...This crest compares to a previous crest of 7.1 feet on 10/12/2019. - http://www.weather.gov/safety/flood

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