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Riley Lake, MI Weather Forecast
Riley Lake, MI Weather Forecast Date: 122 AM EDT Mon Oct 05 2026
The area/counties/county of: Isabella, including the city of Mount Pleasant.or toggle through each period.
Early This Morning... Mostly clear. Lows in the lower 40s. West winds around 5 mph.
Today... Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph with gusts to around 20 mph.
Tonight... Mostly clear. Patchy frost after midnight. Lows in the mid 30s. Light winds.
Tuesday... Sunny. Areas of frost in the morning. Highs in the mid 60s. Light winds becoming southwest 10 to 15 mph with gusts to around 25 mph in the afternoon.
Tuesday Night... Partly cloudy. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts to around 30 mph.
Wednesday... Sunny. Highs in the upper 60s. West winds 5 to 15 mph with gusts to around 25 mph.
Wednesday Night... Mostly clear. Lows in the mid 40s.
Thursday... Mostly sunny. Highs in the mid 60s.
Thursday Night... Mostly clear. Lows in the lower 40s.
Friday... Mostly sunny. Highs in the mid 60s.
Friday Night... Mostly clear. Lows in the upper 30s.
Saturday... Sunny. Highs in the mid 60s.
Saturday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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