| NWS Forecast for: Jefferson County Issued by: National Weather Service Milwaukee, WI Last Update: 1030 PM CDT Fri May 1 2026 |  |
Tonight: Partly cloudy through around midnight then clearing. Widespread frost in the late evening and overnight. Lows in the lower 30s. Northeast winds up to 5 mph shifting to the northwest after midnight. Saturday: Sunny in the morning then becoming partly sunny. Widespread frost in the morning. Highs in the mid 50s. Northwest winds up to 10 mph. Saturday Night: Partly cloudy until early morning, then mostly cloudy with isolated light rain showers early in the morning. Lows in the lower 40s. Southwest winds 5 to 15 mph. Chance of showers 20 percent. Sunday: Partly sunny with scattered light rain showers. Highs in the mid 60s. Southwest winds 10 to 15 mph. Chance of showers 40 percent. Sunday Night: Mostly clear. Lows in the lower 40s. West winds up to 10 mph. Monday: Mostly sunny. Scattered light rain showers and chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. Monday 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 lower 40s. Chance of precipitation 40 percent. Tuesday: Partly sunny with a 30 percent chance of light rain showers. Cooler. Highs in the upper 50s. Tuesday Night: Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 30s. Wednesday: Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the upper 50s. Wednesday Night: Mostly cloudy with a 20 percent chance of light rain showers through around midnight, then partly cloudy after midnight. Lows in the upper 30s. Thursday: Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 50s. Thursday Night: Partly cloudy. Lows in the upper 30s. Friday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Jefferson County | |
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