Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest
More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >
| NWS Forecast for: Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park (LSZ263) Issued by: National Weather Service Marquette, MI Last Update: 400 AM EDT Mon Mar 23 2026 | |
| Early This Morning: Northwest winds 5 to 15 knots. A slight chance of snow showers. Waves calm to 2 feet. Today: Northwest winds 5 to 15 knots backing west in the afternoon, then becoming southwest 10 to 20 knots late. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. Tonight: South winds 15 to 25 knots becoming southwest 20 to 30 knots after midnight, then becoming west 15 to 25 knots late. A slight chance of snow showers. Waves building to 3 to 6 feet occasionally to 8 feet. Tuesday: Northwest winds 10 to 20 knots becoming northeast 5 to 15 knots in the afternoon, then veering east late. Waves subsiding to calm to 2 feet. Tuesday Night: East winds 10 to 20 knots. A slight chance of snow showers after midnight. Waves building to 2 to 4 feet. Wednesday: Northeast winds 10 to 20 knots. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. Wednesday Night: East winds 15 to 25 knots. A chance of snow showers. A chance of rain showers and freezing rain after midnight. Waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. Thursday: Northeast winds 20 to 30 knots becoming north 15 to 25 knots. A chance of snow showers, possibly mixed with rain. Freezing spray. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. Friday: West winds 10 to 20 knots increasing to 15 to 25 knots. Waves subsiding to 2 to 4 feet, then building to 5 to 8 feet occasionally to 10 feet. | |
| Zone Forecast: Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park (LSZ263) | |
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