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Severe weather outbreak possible over portions of the Southern Plains today and tonight

Severe thunderstorms will likely develop over portions of Texas and Oklahoma this afternoon into tonight. Very large hail, destructive winds, isolated tornadoes, and heavy downpours will be the main threats. Heavy rain could lead to localized flash flooding concerns. Additional severe weather is forecast each day through Thursday. Read More >

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This page provides data on sunset/sunrise, moon phases, tides and currents, and official time.

 

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Astronomical Data

Sun and Moon Tides and Currents Time

The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://www.usno.navy.mil). See http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.