Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.
Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >
| NWS Forecast for: Waukesha County Issued by: National Weather Service Milwaukee, WI Last Update: 731 AM CDT Tue Jun 9 2026 |  |
Today: Patchy fog in the morning. Mostly cloudy with a 20 percent chance of light showers and thunderstorms. Highs in the lower 80s. West winds up to 10 mph. Tonight: Partly cloudy through around midnight, then mostly cloudy with a 30 percent chance of light showers and thunderstorms after midnight. Patchy fog in the late evening and overnight. Lows in the lower 60s. Northeast winds up to 5 mph shifting to the south after midnight. Wednesday: Very warm and humid. Partly sunny. A 50 percent chance of light showers and thunderstorms in the late morning and afternoon. Highs around 90. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Highest heat index readings 95 to 99 in the afternoon. Wednesday Night: Mostly cloudy with light showers and chance of thunderstorms through around midnight, then partly cloudy with slight chance of light showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds 5 to 15 mph. Chance of precipitation 80 percent. Thursday: Partly sunny. Chance of light showers in the morning, then showers and chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 15 mph. Chance of precipitation 90 percent. Thursday Night: Mostly cloudy with rain showers and chance of thunderstorms through around midnight, then mostly clear after midnight. Lows in the upper 50s. Chance of precipitation 80 percent. Friday: Sunny. Highs in the upper 70s. Friday Night: Clear. Lows in the upper 50s. Saturday: Sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs around 80. Saturday Night: Partly cloudy. Chance of light rain showers and slight chance of thunderstorms through around midnight, then slight chance of light rain showers after midnight. Lows in the mid 50s. Chance of precipitation 30 percent. Sunday: Partly sunny with a 30 percent chance of light rain showers. Highs in the lower 70s. Sunday Night: Partly cloudy with a 30 percent chance of light rain showers. Lows in the lower 50s. Monday: Partly sunny with a 30 percent chance of light rain showers. Highs in the lower 70s. | |
| Zone Forecast: Waukesha County | |
Visit your local NWS office at: https://www.weather.gov/mkx |