| NWS Forecast for: Ontonagon County Issued by: National Weather Service Marquette, MI Last Update: 221 AM EDT Sun Jul 19 2026 | |
Early This Morning: Partly cloudy. Smoke. Light south winds. Today: Mostly sunny. Smoke in the morning, then patchy smoke in the afternoon. Very warm with highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Tonight: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Patchy smoke after midnight. Lows around 65 inland to around 73 at the shore. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 40 percent. Monday: Very warm. Partly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 87. Southwest winds 5 to 15 mph, becoming west 10 to 15 mph in the afternoon. Chance of rain 50 percent. Monday Night: Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Partly cloudy. Lows around 59 inland to around 65 at the shore. West winds 5 to 10 mph inland, except west 10 to 20 mph near the shore. Chance of rain 90 percent. Tuesday: Cooler. A chance of showers in the morning. Partly cloudy. Highs around 73. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. Tuesday Night: Mostly clear. Lows around 49 inland to around 56 at the shore. Wednesday And Wednesday Night: Clear. Highs around 77. Lows around 52 inland to around 60 at the shore. Thursday: Very warm. Sunny. Highs around 84 inland to around 78 at the shore. Thursday Night Through Friday Night: Mostly clear. Lows around 58 inland to around 64 at the shore. Highs around 82 inland to around 76 at the shore. Saturday: Very warm. Mostly sunny. Highs around 86 inland to around 80 at the shore. | |
| Zone Forecast: Ontonagon County | |
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