Station Name: LAKE MONONA AT MADISON, WI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 840 feet

Nearest Address:
795 W Washington Ave
Madison, WI 53715
Dane County

GPS Coordinates: 43.0633297, -89.3970636

Nearby Water Temperatures

Flood Watch issued April 13 at 1:01PM CDT until April 20 at 4:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon April 13, 2026, 1:01 PM
Expires: Mon April 13, 2026, 9:15 PM

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Watch for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Flooding is possible. * WHERE...Wisconsin River at Portage. * WHEN...From this afternoon to Monday, April 20. * IMPACTS...At 19.5 feet, Floodwaters are over Wood Street in Portage and a low spot on Thunderbird Road. Water comes up through ground at Sunset and Franklin. Floodwaters affect River Shores Road in the Town of Lewiston, River Oaks Road in the Town of Dekorra, and Levee Road in the Portage area, and numerous roads in the Blackhawk Park area about 3 miles south of Portage. Some water on Summit St near boat landing. Water over Conant St. * ADDITIONAL DETAILS... - At 7:00 PM CDT Sunday the stage was 15.7 feet. - Forecast...Flood stage may be reached early tomorrow afternoon, with a crest expected on Friday. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued this evening at 915 PM CDT.

Flood Watch issued April 13 at 10:34AM CDT until April 14 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon April 13, 2026, 10:34 AM
Expires: Mon April 13, 2026, 6:45 PM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Green Lake, Marquette and Sauk. In southeast Wisconsin, Dodge, Ozaukee and Washington. * WHEN...From 4 PM CDT this afternoon through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Repeated rounds of heavy rain on saturated ground are likely. Rainfall amounts of 1 to 2 inches are possible with locally higher amounts. - http://www.weather.gov/safety/flood

Flood Watch issued April 13 at 7:07PM CDT until April 14 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon April 13, 2026, 7:07 PM
Expires: Tue April 14, 2026, 3:15 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Green Lake, Marquette and Sauk. In southeast Wisconsin, Dodge, Ozaukee and Washington. * WHEN...Until 7 AM CDT Tuesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Repeated rounds of heavy rain on saturated ground are likely. Rainfall amounts of 1 to 2 inches are possible with locally higher amounts. - http://www.weather.gov/safety/flood

Flood Watch issued April 13 at 4:34PM CDT until April 20 at 4:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon April 13, 2026, 4:34 PM
Expires: Tue April 14, 2026, 12:45 AM

...The Flood Watch continues for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Flooding is possible. * WHERE...Wisconsin River at Portage. * WHEN...Until Monday, April 20. * IMPACTS...At 19.5 feet, Floodwaters are over Wood Street in Portage and a low spot on Thunderbird Road. Water comes up through ground at Sunset and Franklin. Floodwaters affect River Shores Road in the Town of Lewiston, River Oaks Road in the Town of Dekorra, and Levee Road in the Portage area, and numerous roads in the Blackhawk Park area about 3 miles south of Portage. Some water on Summit St near boat landing. Water over Conant St. * ADDITIONAL DETAILS... - At 7:00 PM CDT Sunday the stage was 15.7 feet. - Forecast...Flood stage may be reached early tomorrow afternoon. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 1245 AM CDT.

Tornado Watch issued April 13 at 3:11PM CDT until April 13 at 10:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon April 13, 2026, 3:11 PM
Expires: Mon April 13, 2026, 10:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 103 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 9 COUNTIES IN EAST CENTRAL WISCONSIN FOND DU LAC SHEBOYGAN IN SOUTH CENTRAL WISCONSIN COLUMBIA GREEN LAKE MARQUETTE SAUK IN SOUTHEAST WISCONSIN DODGE OZAUKEE WASHINGTON THIS INCLUDES THE CITIES OF BARABOO, BEAVER DAM, BERLIN, CEDARBURG, COLUMBUS, ENDEAVOR, FOND DU LAC, GERMANTOWN, GRAFTON, HARTFORD, HOWARDS GROVE, LAKE WISCONSIN, LODI, MARKESAN, MAYVILLE, MEQUON, MONTELLO, NESHKORO, OOSTBURG, OXFORD, PLYMOUTH, PORTAGE, PRAIRIE DU SAC, PRINCETON, REEDSBURG, SAUK CITY, SHEBOYGAN FALLS, WAUPUN, WEST BEND, AND WESTFIELD.