Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Copper Harbor (KP59)

Lat: 47.47° N Lon: 87.88° W Elev: 623 ft.

18°F

-8°C

Humidity 84%
Wind Speed W 10 G 20 mph
Barometer 29.86 in (1013.0 mb)
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill6°F (-14°C)
Last update 18 Mar 8:51 am EDT
Detailed forecast for

Keweenaw County

Early This Morning
Cloudy with a 20 percent chance of snow showers. South winds 5 to 15 mph with gusts up to 25 mph.
Today
Cloudy. A chance of snow showers in the morning. Warmer with highs in the lower 30s. Southwest winds 5 to 15 mph with gusts up to 25 mph. Chance of snow 50 percent.
Tonight
Mostly cloudy. Lows around 25. West winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight.
Thursday
Partly cloudy. Highs around 34. Light north winds, becoming south in the afternoon.
Thursday Night
Snow showers likely in the evening, then a chance of rain and snow showers after midnight. Mostly cloudy. Lows around 29. South winds 5 to 10 mph. Chance of precipitation 60 percent.
Friday
Mostly cloudy. Highs around 37. Northwest winds 5 to 10 mph.
Friday Night
Mostly cloudy. Lows around 29.
Saturday
A chance of rain showers in the morning. Mostly cloudy with a chance of snow showers. Highs around 36. Chance of precipitation 40 percent.
Saturday Night
Mostly cloudy with a 40 percent chance of snow showers. Lows around 22.
Sunday
Mostly cloudy. Highs around 29.
Sunday Night And Monday
Mostly clear. Lows 16 to 21. Highs around 32.
Monday Night And Tuesday
Mostly cloudy. Lows 21 to 26. Highs around 35.



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221 AM EDT Wed Mar 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database