Today versus tonight
Read both the first daytime period and the following overnight period for more useful planning.
Forecast for Today — Examples
Examples, context and typical uses for Forecast for Today.
Forecast periods
National Weather Service forecasts describe expected weather in future periods, including temperature, wind and precipitation information.
Rain probabilities
A probability of precipitation describes the likelihood of measurable rain at a point during the forecast period; it is not the percentage of time rain will fall.
Alerts and limitations
Use official National Weather Service alerts for urgent hazards. This site serves only NOAA-covered U.S. locations and requires a live network connection.