| NWS Forecast for: Washington County Issued by: National Weather Service Milwaukee, WI Last Update: 430 PM CDT Mon Jun 29 2026 |  |
Late This Afternoon: Sunny. Heat index readings 101 to 106. South winds around 15 mph. Tonight: Partly cloudy. A 20 percent chance of light showers after midnight. Lows in the mid 70s. Southwest winds 10 to 15 mph. Highest heat index readings 98 to 103 in the evening. Tuesday: Hot and humid. Mostly sunny. Highs in the mid 90s. Southwest winds 10 to 15 mph. Highest heat index readings 104 to 109 in the late morning and afternoon. Tuesday Night: Partly cloudy. Chance of light showers and slight chance of thunderstorms in the late evening and early morning. Chance of light showers early in the morning. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of precipitation 40 percent. Highest heat index readings 98 to 103 in the evening. Wednesday: Hot and humid. Sunny. Highs in the mid 90s. Southwest winds 10 to 15 mph. Highest heat index readings 100 to 105 in the late morning and afternoon. Wednesday Night: Partly cloudy. Slight chance of light showers through around midnight, then chance of light showers and slight chance of thunderstorms after midnight. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of precipitation 30 percent. Highest heat index readings 95 to 98 in the evening. Thursday: Mostly sunny. A 50 percent chance of light showers and thunderstorms in the afternoon. Highs in the lower 90s. Thursday Night: Partly cloudy with light showers likely and chance of thunderstorms. Lows in the lower 70s. Chance of precipitation 70 percent. Friday: Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then light showers likely and chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 60 percent. Friday Night: Partly cloudy. Light showers likely and chance of thunderstorms through around midnight, then chance of light showers and thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 60 percent. Independence Day: Partly sunny with chance of light showers and slight chance of thunderstorms. Highs in the mid 80s. Chance of precipitation 50 percent. Saturday Night: Showers likely and chance of thunderstorms through around midnight, then light showers likely after midnight. Lows in the mid 60s. Chance of precipitation 60 percent. Sunday: Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 60 percent. Sunday Night: Partly cloudy with a 50 percent chance of light showers and thunderstorms. Lows in the mid 60s. Monday: Partly sunny. Slight chance of light showers in the morning, then slight chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent. | |
| Zone Forecast: Washington County | |
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