7-Day Zone Forecast for Ontonagon County (Text-Only)
NWS Forecast for: Ontonagon County
Issued by: National Weather Service Marquette, MI
Last Update: 221 AM EDT Wed Jun 10 2026




Early This Morning: Mostly clear. Patchy fog. Southeast winds 5 to 10 mph.

Today: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the morning. Hot with highs in the lower 90s. South winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Heat index values up to 100.

Tonight: Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then clear after midnight. Lows around 59. South winds 5 to 10 mph, becoming southwest after midnight. Gusts up to 25 mph. Chance of rain 70 percent.

Thursday: Very warm. Mostly sunny in the morning, then cloudy with showers likely in the afternoon. Highs 80 to 85. Temperature falling into the lower 70s in the afternoon. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Thursday Night: Mostly cloudy with showers likely in the evening, then mostly clear with a chance of showers after midnight. Lows 50 to 55. West winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Friday: Mostly sunny. Highs around 75. West winds 10 to 15 mph with gusts up to 30 mph.

Friday Night: Mostly clear. Lows 52 to 57.

Saturday: A chance of showers in the afternoon. Partly cloudy. Highs 72 to 77. Chance of rain 30 percent.

Saturday Night: Partly cloudy. Lows 46 to 51.

Sunday And Sunday Night: Mostly clear. Highs around 68. Lows 45 to 50.

Monday Through Tuesday: Partly cloudy. Highs around 71. Lows 46 to 51.







Zone Forecast: Ontonagon County

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