| NWS Forecast for: Rock County Issued by: National Weather Service Milwaukee, WI Last Update: 731 PM CDT Sun Aug 23 2026 |  |
Tonight: Mostly clear. Areas of fog in the late evening and overnight. Lows in the upper 40s. Northwest winds up to 5 mph through around midnight becoming calm. Monday: Sunny. Patchy fog in the morning. Highs in the upper 70s. Northwest winds up to 5 mph. Monday Night: Mostly clear. Lows in the mid 50s. Calm winds. Tuesday: Mostly sunny. Highs around 80. South winds up to 10 mph. Tuesday Night: Partly cloudy. A 40 percent chance of light showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Wednesday: Mostly sunny with a 20 percent chance of light showers and thunderstorms. Highs in the lower 80s. Wednesday Night: Mostly clear. Lows in the lower 60s. Thursday: Sunny. Highs around 80. Thursday Night: Mostly clear. Lows in the upper 50s. Friday: Mostly sunny. Highs around 80. Friday Night: Partly cloudy. Lows in the upper 50s. Saturday: Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 70s. Saturday Night: Mostly cloudy. Chance of light showers and slight chance of thunderstorms through around midnight, then chance of light showers after midnight. Lows in the lower 60s. Chance of precipitation 50 percent. Sunday: Mostly cloudy. Chance of light showers in the morning, then chance of light showers and slight chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 50 percent. | |
| Zone Forecast: Rock County | |
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