| NWS Forecast for: Ontonagon County Issued by: National Weather Service Marquette, MI Last Update: 1037 AM EDT Sun Sep 13 2026 |  |
| Rest Of Today: Mostly sunny. Highs in the mid 60s. Northwest winds 5 to 15 mph with gusts up to 30 mph. Tonight: Clear. Patchy frost after midnight. Lows 32 to 37 inland to around 45 at the shore. Light west winds, becoming south after midnight. Monday: Mostly sunny in the morning, then cloudy with a chance of rain showers in the afternoon. Highs around 70. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 50 percent. Monday Night: Showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows 50 to 55. Temperature rising into the upper 50s after midnight. South winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 100 percent. Tuesday: Partly cloudy. Highs around 69. West winds 10 to 15 mph inland, except west 15 to 25 mph near the shore. Tuesday Night: Mostly clear. Lows 40 to 45 inland to around 49 at the shore. Wednesday: Partly cloudy. Highs around 69. Wednesday Night: A chance of showers after midnight. Mostly cloudy. Lows around 46 inland to around 54 at the shore. Chance of rain 40 percent. Thursday: A chance of showers in the morning. Partly cloudy. Highs around 70. Chance of rain 30 percent. Thursday Night: Partly cloudy. Lows around 46 inland to around 53 at the shore. Friday: A chance of showers in the afternoon. Partly cloudy. Highs around 71. Chance of rain 30 percent. Friday Night And Saturday: Partly cloudy. Lows around 47 inland to around 54 at the shore. Highs around 70. | |
| Zone Forecast: Ontonagon County | |
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