US National Weather Service Milwaukee/Sullivan Wisconsin

US National Weather Service Milwaukee/Sullivan Wisconsin Official page for the National Weather Service Milwaukee/Sullivan WI. Details: weather.gov/facebook

Poor air quality conditions are expected in southeast Wisconsin today, particularly for sensitive groups. An Air Quality...
06/03/2026

Poor air quality conditions are expected in southeast Wisconsin today, particularly for sensitive groups. An Air Quality Alert is in effect between 12 PM and 11 PM for southeastern counties. Be sure to take breaks if spending prolonged amounts of time outside.

Madison experienced the 10th warmest spring on record and the 15th wettest spring on record. Rainfall totals were 2 inch...
06/01/2026

Madison experienced the 10th warmest spring on record and the 15th wettest spring on record. Rainfall totals were 2 inches above normal for the period March to May, with two daily rainfall records set and 1 daily snowfall record set.

Milwaukee experienced the 10th warmest spring and the 13th wettest spring on record in 2026. One record high was set on ...
06/01/2026

Milwaukee experienced the 10th warmest spring and the 13th wettest spring on record in 2026. One record high was set on March 9th. 3.27 inches more rainfall than normal was reported at 12.87 inches.

May 2026 was the driest May on record for Milwaukee, while coming in as the 20th driest May on record for Madison. Tempe...
06/01/2026

May 2026 was the driest May on record for Milwaukee, while coming in as the 20th driest May on record for Madison. Temperatures remained near normal for both cities.

There is a High Swim Risk for the Lake MI beaches from Port Washington and  South on Saturday due to dangerous currents ...
05/29/2026

There is a High Swim Risk for the Lake MI beaches from Port Washington and South on Saturday due to dangerous currents from persistent easterly winds and high waves. Stay out of the water!

There is a High Swim Risk for the Lake MI beaches today due to dangerous currents from persistent northeast winds and hi...
05/28/2026

There is a High Swim Risk for the Lake MI beaches today due to dangerous currents from persistent northeast winds and high waves. Stay out of the water!

Strong storms are moving south through central Wisconsin early this evening. If storms maintain their current track & st...
05/27/2026

Strong storms are moving south through central Wisconsin early this evening. If storms maintain their current track & strength, the potential for a few strong to severe storms will increase to the northwest of Madison after 7 PM. Damaging wind gusts & large hail to quarter size are the main hazards. Move indoors if storms approach your area!

There is a High Swim Risk for the Lake MI beaches tonight into early Thursday afternoon due to dangerous currents from p...
05/27/2026

There is a High Swim Risk for the Lake MI beaches tonight into early Thursday afternoon due to dangerous currents from persistent northeast winds and high waves. Stay out of the water!

An outflow boundary is moving south toward the area this evening, and could kick off a few showers & storms in northern ...
05/27/2026

An outflow boundary is moving south toward the area this evening, and could kick off a few showers & storms in northern counties between 8-10 PM. Severe weather isn't expected, but storms could produce cloud to ground lightning, gusty winds to 40 MPH, and small hail. Move indoors if a storm approaches your area!

High swim risk remains tonight, but conditions will improve for Saturday. Otherwise warmer temps and lighter winds throu...
05/22/2026

High swim risk remains tonight, but conditions will improve for Saturday. Otherwise warmer temps and lighter winds through the remainder of the holiday weekend. While air temps warm, Lake Michigan water temps remain frigid. Use caution if heading to the beach this weekend.

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