Heat and humidity will impact the southeast early this week. Heat indices over 100 degrees are expected from the Texas Gulf Coast to the Florida Panhandle, into the lower Mississippi Valley and portions of Alabama and Georgia. Excessive heat will return to the Desert Southwest Monday and persist through the week. Temperatures over 100 will also expand to the Intermountain West.
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.