Severe thunderstorms will be possible across portions of the northern Plains/Upper Midwest today. Heavy rain will also likely bring flash flooding to this area. Showers and thunderstorms will linger across the Gulf states. Flash flooding is likely in the central Gulf Coast. develop then linger across the Gulf states, yielding high rainfall amounts. Read More >
Short range forecast products depicting pressure patterns, circulation centers and fronts, and types and extent of precipitation.
Medium range forecast products depicting pressure patterns and circulation centers and fronts
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.
Maximum daytime or minimum overnight temperature in degrees Fahrenheit.
Expected weather (precipitating or non-precipitating) valid at the indicated hour. The weather element includes type, probability, and intensity information.
Sustained wind speed (in knots) and expected wind direction (using 36 points of a compass) forecasts.
Likelihood, expressed as a percent, of a measurable precipitation event (1/100th of an inch).
Total amount of expected liquid precipitation.
Expected amount of opaque clouds (in percent) covering the sky.
Graphical forecasts from the National Digital Forecast Database for Alaska.
Graphical forecasts from the National Digital Forecast Database for Hawaii.
Graphical forecasts from the National Digital Forecast Database for Puerto Rico and Virgin Islands.