Weather for Milwaukee, Wisconsin
Current Weather
Five Day Weather Forecast
Tue
H: 58°F
L: 46°F
Wed
H: 50°F
L: 40°F
Thu
H: 54°F
L: 37°F
Fri
H: 55°F
L: 45°F
Sat
H: 61°F
L: 42°F
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 67 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:57 PM
Daylight: 14 hrs 18 mins
Moon Transit: 3:35 AM
Moonset: 7:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:05 AM - 5:35 AM3:48 PM - 6:18 PM
Minor Periods
7:13 AM - 8:43 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Flood Warning issued May 4 at 10:43AM CDT until May 6 at 7:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Mon May 4, 2026, 10:43 AM
Expires: Mon May 4, 2026, 10:45 PM
...The Flood Warning is extended for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Afton affecting Winnebago and Rock Counties. ...The Flood Warning continues 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 near Lake Koshkonong. * WHEN...Until Wednesday morning. * IMPACTS...At 10.0 feet, Floodwaters affect homes and boat docks in the Blackhawk Island area of Lake Koshkonong on the north side of the lake. Floodwaters spread over low spots on Blackhawk Island Road in the area where the Rock River enters the lake. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 10.2 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 10.4 feet. - Forecast...The river is expected to fall below flood stage early Wednesday morning and continue falling to 9.1 feet Monday, May 11. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.1 feet on 03/30/2011. - 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 this evening at 1045 PM CDT.
Flood Warning issued May 4 at 4:07PM CDT until May 6 at 7:00AM CDT by NWS Milwaukee/Sullivan WI
Effective: Mon May 4, 2026, 4:07 PM
Expires: Tue May 5, 2026, 4:15 AM
...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Afton affecting Winnebago and Rock 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 Wednesday morning. * IMPACTS...At 10.0 feet, Floodwaters affect homes and boat docks in the Blackhawk Island area of Lake Koshkonong on the north side of the lake. Floodwaters spread over low spots on Blackhawk Island Road in the area where the Rock River enters the lake. * ADDITIONAL DETAILS... - At 3:00 PM CDT Monday the stage was 10.2 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 PM CDT Monday was 10.4 feet. - Forecast...The river is expected to fall below flood stage early Wednesday morning and continue falling to 9.1 feet Monday, May 11. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.1 feet on 03/30/2011. - 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 late tonight at 415 AM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.59 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 73.48 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:57 PM
Daylight: 14 hrs 18 mins
Moon Transit: 3:35 AM
Moonset: 7:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:05 AM - 5:35 AM3:48 PM - 6:18 PM
Minor Periods
7:13 AM - 8:43 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.79 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 62.04 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 20 mins
Moon Transit: 4:26 AM
Moonset: 8:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
3:56 AM - 6:26 AM4:39 PM - 7:09 PM
Minor Periods
8:09 AM - 9:39 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 63.28 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 8:00 PM
Daylight: 14 hrs 23 mins
Moon Transit: 5:16 AM
Moonset: 9:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:46 AM - 7:16 AM5:28 PM - 7:58 PM
Minor Periods
9:10 AM - 10:40 AM12:28 AM - 1:58 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.42 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 52 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 8:01 PM
Daylight: 14 hrs 25 mins
Moon Transit: 6:05 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:35 AM - 8:05 AM6:16 PM - 8:46 PM
Minor Periods
10:16 AM - 11:46 AM1:02 AM - 2:32 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 8:02 PM
Daylight: 14 hrs 27 mins
Moon Transit: 6:52 AM
Moonset: 11:53 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
6:22 AM - 8:52 AM7:02 PM - 9:32 PM
Minor Periods
11:23 AM - 12:53 AM1:30 AM - 3:00 AM
Action Rating: 2 out of 5