Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Flood Watch in effect from April 11, 08:00 PM EDT until April 15, 08:00 AM EDT

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

37°F

3°C

Humidity	52%
Wind Speed	N 15 mph
Barometer	30.27 in (1026.2 mb)
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	10 Apr 3:51 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

14 Miles SW Isle Royale National Park MI

Flood Watch April 11, 08:00pm until April 15, 08:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 38 °F
Mostly Sunny
Tonight
Low: 28 °F
Partly Cloudy
Saturday
High: 40 °F
Mostly Sunny
Saturday Night
Low: 33 °F
Chance
Showers then
Showers
Sunday
High: 44 °F
Showers
Sunday Night
Low: 37 °F
Showers then
Chance
Showers
Monday
High: 43 °F
Partly Sunny
Monday Night
Low: 33 °F
Mostly Cloudy
then Chance
Showers
Tuesday
High: 38 °F
Chance
Showers

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 38. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

Partly cloudy, with a low around 28. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

Showers, mainly after 2am. Low around 33. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers, with thunderstorms also possible after 5pm. High near 44. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Sunday Night

Showers, mainly before 8pm. Low around 37. Chance of precipitation is 80%.

Monday

Partly sunny, with a high near 43.

Monday Night

A chance of showers after 2am. Mostly cloudy, with a low around 33.

Tuesday

A chance of showers before 2pm. Mostly cloudy, with a high near 38.

Tuesday Night

A chance of showers after 8pm. Mostly cloudy, with a low around 32.

Wednesday

A chance of showers. Mostly cloudy, with a high near 41.