Water Temperature of Lake Monona in Madison, WI
Current Water Temperature
Measurement Time: Wednesday, May 6, 2026, 5:00 AM CDT
Temperature Locations
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Local Points of Interest
Brittingham Park; Brittingham Beach; Menona Bay; GreenbushStation 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
Lake Mendota, Madison, WI (2.5 mi)Swan Creek, Fitchburg, WI (4.8 mi)
Pheasant Branch, Middleton, WI (6.4 mi)
Badger Mill Creek, Verona, WI (9.3 mi)
Yahara River, Windsor, WI (10.3 mi)
Sugar River, Verona, WI (10.8 mi)
Black Earth Creek, Cross Plains, WI (12.7 mi)
Brewery Creek, Cross Plains, WI (12.7 mi)
Black Earth Creek, Cross Plains, WI (13.9 mi)
Black Earth Creek, Black Earth, WI (17.6 mi)
Eagle Spring Lake, Mukwonago, WI (50.7 mi)
Wisconsin River, Muscoda, WI (53.6 mi)
Rock River, Byron, IL (65.4 mi)
Fox River, Berlin, WI (65.4 mi)
Fox River, Burlington, WI (67.1 mi)
Weather for Madison, Wisconsin
Current Weather

Five Day Weather Forecast

Wed
H: 52°F
L: 38°F

Thu
H: 55°F
L: 32°F

Fri
H: 61°F
L: 38°F

Sat
H: 70°F
L: 44°F

Sun
H: 57°F
L: 39°F
Air Quality
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:05 PM
Daylight: 14 hrs 20 mins
Moon Transit: 4:32 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:02 AM - 6:32 AM4:33 PM - 7:03 PM
Minor Periods
8:15 AM - 9:45 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Frost Advisory issued May 6 at 12:41AM CDT until May 6 at 8:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed May 6, 2026, 12:41 AM
Expires: Wed May 6, 2026, 8:00 AM
* WHAT...Low temperatures in the lower to middle 30s will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold. Bring them indoors or cover them up.
Frost Advisory issued May 6 at 4:46AM CDT until May 6 at 8:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed May 6, 2026, 4:46 AM
Expires: Wed May 6, 2026, 8:00 AM
* WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Flood Warning issued May 5 at 9:29PM CDT until May 7 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
Effective: Tue May 5, 2026, 9:29 PM
Expires: Wed May 6, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. ...The Flood Warning is cancelled for the following river in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until early Thursday afternoon. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 9.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 9.4 feet. - Forecast...The river is expected to rise to a crest of 9.3 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 9.3 feet on 05/02/1921. - http://www.weather.gov/safety/flood
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 this evening at 1030 PM CDT.
Flood Warning issued May 6 at 3:04AM CDT until May 7 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
Effective: Wed May 6, 2026, 3:04 AM
Expires: Wed May 6, 2026, 3:15 PM
...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Winnebago and Rock Counties. ...The Flood Warning is cancelled for the following rivers in Wisconsin... 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 tomorrow afternoon. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 2:00 AM CDT Wednesday the stage was 9.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:00 AM CDT Wednesday was 9.3 feet. - Forecast...The river is expected to rise to a crest of 9.2 feet this morning. It will then fall below flood stage tomorrow morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.2 feet on 03/14/1944. - http://www.weather.gov/safety/flood
Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued early this morning at 415 AM CDT.
Flood Warning issued May 5 at 9:29PM CDT by NWS Milwaukee/Sullivan WI
Effective: Tue May 5, 2026, 9:29 PM
Expires: Wed May 6, 2026, 9:30 AM
...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. ...The Flood Warning is cancelled for the following river in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. * 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 Tuesday the stage was 10.0 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 10.2 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 10.0 feet on 08/27/2007. - http://www.weather.gov/safety/flood
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 this evening at 1030 PM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.69 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 64.4 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:05 PM
Daylight: 14 hrs 20 mins
Moon Transit: 4:32 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:02 AM - 6:32 AM4:33 PM - 7:03 PM
Minor Periods
8:15 AM - 9:45 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 60.6 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:06 PM
Daylight: 14 hrs 23 mins
Moon Transit: 5:23 AM
Moonset: 9:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:53 AM - 7:23 AM5:22 PM - 7:52 PM
Minor Periods
9:17 AM - 10:47 AM12:34 AM - 2:04 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 71.88 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:07 PM
Daylight: 14 hrs 25 mins
Moon Transit: 6:11 AM
Moonset: 10:52 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM6:10 PM - 8:40 PM
Minor Periods
10:22 AM - 11:52 AM1:08 AM - 2:38 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.25 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 72.04 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:08 PM
Daylight: 14 hrs 27 mins
Moon Transit: 6:58 AM
Moonset: 11:59 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
6:28 AM - 8:58 AM6:56 PM - 9:26 PM
Minor Periods
11:29 AM - 12:59 AM1:36 AM - 3:06 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.52 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 55.08 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 8:09 PM
Daylight: 14 hrs 30 mins
Moon Transit: 7:43 AM
Moonset: 1:07 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%
Best Times for Fishing or Hunting
Major Periods
7:13 AM - 9:43 AM7:40 PM - 10:10 PM
Minor Periods
12:37 AM - 2:07 PM2:00 AM - 3:30 AM
Action Rating: 3 out of 5
