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Blue River, WI Weather Forecast
Blue River, WI Weather Forecast Date: 402 AM CDT Sun Sep 13 2026
The area/counties/county of: Grant, including the city of Platteville.or toggle through each period.
Today... Partly sunny with a 40% chance of showers. Cooler with highs in the upper 60s. Northwest winds 5 to 10 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. West winds around 5 mph, becoming east after midnight.
Monday... Mostly sunny in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the upper 60s. Southeast winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. Chance of rain 50%.
Monday Night... Much warmer. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 60s. South winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 100%.
Tuesday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. West winds 10 to 15 mph. Chance of rain 50%.
Tuesday Night... Cooler. Mostly cloudy. Lows in the mid 50s.
Wednesday... Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50%.
Wednesday Night... Showers and a chance of thunderstorms. Lows around 60. Chance of rain 80%.
Thursday... Showers likely. Highs in the mid 70s. Chance of rain 60%.
Thursday Night... Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Friday... Showers likely. Highs in the lower 70s. Chance of rain 60%.
Friday Night... Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50%.
POP = Probability of Precipitation
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