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Tropical Storm Warning in effect for portions North Carolina's coast; Hurricane Watch for Big Island of Hawaii

The National Hurricane Center has issued a Tropical Storm Warning for parts of the North Carolina coast. NHC is also monitoring a system in the Gulf of Mexico that could bring impacts to the eastern Gulf Coast later this week. Meanwhile, a strong hurricane in the Pacific is on a path towards Hawaii. A Hurricane Watch is in effect for the Big Island. Read More >

Short Range Forecasts

Short range forecast products depicting pressure patterns, circulation centers and fronts, and types and extent of precipitation.

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Medium Range Forecasts

Medium range forecast products depicting pressure patterns and circulation centers and fronts

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Precipitation Amounts

Quantitative precipitation forecasts.

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Surface Analysis

Highs, lows, fronts, troughs, outflow boundaries, squall lines, drylines for much of North America, the Western Atlantic and Eastern Pacific oceans, and the Gulf of Mexico.

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Temperature

Maximum daytime or minimum overnight temperature in degrees Fahrenheit. 

Predominant Weather

Expected weather (precipitating or non-precipitating) valid at the indicated hour.  The weather element includes type, probability, and intensity information. 

Wind Speed and Direction

Sustained wind speed (in knots) and expected wind direction (using 36 points of a compass) forecasts. 

Chance of Precipitation

Likelihood, expressed as a percent, of a measurable precipitation event (1/100th of an inch).

Precipitation Amount

Total amount of expected liquid precipitation.

Sky Cover

Expected amount of opaque clouds (in percent) covering the sky.

Alaska Graphical Forecasts

Graphical forecasts from the National Digital Forecast Database for Alaska.

Hawaii Graphical Forecasts

Graphical forecasts from the National Digital Forecast Database for Hawaii.

Puerto Rico Graphical Forecasts

Graphical forecasts from the National Digital Forecast Database for Puerto Rico and Virgin Islands.