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Mumm Field, WI Weather Forecast
Mumm Field, WI Weather Forecast Date: 731 PM CDT Sun Sep 13 2026
The area/counties/county of: Rock, including the cities of: Janesville and Beloit.or toggle through each period.
Tonight... Colder. Mostly clear. Lows in the mid 40s. West winds up to 5 mph through around midnight becoming calm.
Monday... Mostly sunny until late afternoon, then mostly cloudy with a 20% chance of light rain showers late in the afternoon. Highs in the lower 70s. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
Monday Night... Warmer, breezy. Mostly cloudy. Chance of light showers through around midnight. Chance of thunderstorms in the late evening and overnight. Showers after midnight. Lows in the mid 60s. South winds 10 to 25 mph. Chance of precipitation 80%.
Tuesday... Cloudy. Showers and slight chance of thunderstorms in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 5 to 15 mph. Chance of precipitation 80%.
Tuesday Night... Mostly cloudy with a 40% chance of rain showers. Lows in the mid 50s. North winds up to 5 mph.
Wednesday... Cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 70%.
Wednesday Night... Cloudy. Chance of light showers and thunderstorms through around midnight, then showers likely and chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70%.
Thursday... Mostly cloudy. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of light showers in the afternoon. Highs in the mid 70s. Chance of precipitation 50%.
Thursday Night... Mostly cloudy with a 40% chance of light rain showers. Lows in the upper 50s.
Friday... Partly sunny. Chance of light rain showers in the morning, then chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50%.
Friday Night... Mostly cloudy. Chance of light rain showers and slight chance of thunderstorms through around midnight, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 60%.
Saturday... Mostly cloudy. Light rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the mid 70s. Chance of showers 60%.
Saturday Night... Mostly cloudy with a 40% chance of light rain showers. Lows in the upper 50s.
POP = Probability of Precipitation
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