National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
Read More...

Last Update: 300 AM PDT SAT AUG 23 2014

View Nearby Observations

Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SUNDAY EVENING...


  • SynopsisWINDS AND SHORT PERIODS SEAS WILL INCREASE TODAY AND SUNDAY AS AN OFFSHORE HIGH PRESSURE SYSTEM STRENGTHENS AND INTERACTS WITH AN INLAND THERMAL TROUGH. SOUTHERLY WAVES WILL INCREASE SLIGHTLY THE NEXT FEW DAYS. WINDS AND SEAS WILL DIMINISH NEXT WEEK AS A LOW PRESSURE TROUGH MOVES NORTH OF THE WATERS.
  • Today NW winds 5 to 15 kt. Waves NW 7 ft at 8 seconds...and SW 2 ft at 16 seconds. Patchy fog.
  • Tonight N winds 5 to 15 kt. Waves NW 9 ft at 9 seconds...and SW 2 ft at 15 seconds. Patchy fog.
  • Sun NW winds 5 to 15 kt. Waves NW 8 ft at 9 seconds...and W 2 ft at 15 seconds. Patchy fog.
  • Sun Night NW winds 5 to 15 kt. Waves NW 8 ft at 8 seconds... And SW 2 ft at 14 seconds.
  • Mon W winds 5 to 10 kt. Waves NW 8 ft at 9 seconds...and SW 2 ft at 16 seconds.
  • Tue NW winds up to 5 kt. Waves NW 6 ft at 8 seconds...and W 2 ft at 15 seconds.
  • Wed N winds up to 5 kt. Waves NW 4 ft at 8 seconds...and SW 2 ft at 16 seconds.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm
Mobile Version