Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region
Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >
Hazardous Weather Conditions
Last Update: 1000 PM EDT Sat Apr 18 2026
For More Weather Information:
30NM SE Grand Portage MN
Marine Zone Forecast
Rest Of Tonight
Northwest winds 20 to 30 knots diminishing to 15 to 25 knots late. Waves 6 to 9 feet occasionally to 11 feet subsiding to 3 to 6 feet occasionally to 8 feet.
Sunday
Northwest winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon. Waves subsiding to 1 to 3 feet.
Sunday Night
Northwest winds 5 to 15 knots veering north after midnight, then backing northwest late. Waves subsiding to calm to 2 feet.
Monday
Southwest winds 10 to 20 knots becoming south 15 to 25 knots by mid afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.
Monday Night
South winds 15 to 25 knots veering west after midnight. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet.
Tuesday
West winds 5 to 15 knots. Waves subsiding to calm to 2 feet.
Tuesday Night
East winds less than 10 knots. Waves calm to 2 feet.
Wednesday
East winds 5 to 15 knots becoming southeast 15 to 25 knots. Waves building to 3 to 6 feet occasionally to 8 feet.
Thursday
East winds 15 to 25 knots becoming southeast 20 to 30 knots. A chance of rain showers, then rain showers likely. Waves building to 7 to 10 feet occasionally to 13 feet.
Additional Forecasts and Information
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