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.
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6NM SSW Sitka AK

Marine Point Forecast [NOTICE]

This
Afternoon

Scattered Showers

NW 10kt
1-2ft

High: 62 °F

Tonight

Isolated Showers

WNW 10kt
2ft

Low: 56 °F

Sunday

Rain

Light Wind
2ft

High: 62 °F

Sunday
Night

Rain

SSE 15kt
3ft

Low: 54 °F

Monday

Rain Likely

SSE 10kt
2ft

High: 61 °F

Monday
Night

Rain Likely

Light Wind
2ft

Low: 54 °F

Tuesday

Mostly Cloudy

Light Wind
2ft

High: 61 °F

Tuesday
Night

Chance Rain

Light Wind
2ft

Low: 54 °F

Wednesday

Rain Likely

Light Wind
3ft

High: 60 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:52 am AKDT Aug 23, 2014
Forecast Valid: 12pm AKDT Aug 23, 2014-6pm AKDT Aug 29, 2014

View Nearby Observations

Detailed Forecast

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

  • SynopsisA WEAK TROUGH OVER THE CENTRAL PANHANDLE WILL SHIFT SE OF THE AREA THROUGH SAT AFTERNOON. A RIDGE OF HIGH PRESSURE WILL REBUILD OVER THE EASTERN GULF BEHIND THE TROUGH THEN OVER THE PANHANDLE BY SUN. A FRONT THEN MOVES INTO THE EASTERN GULF FROM THE WEST SUN.
  • This Afternoon NW wind 5 to 10 kt. Scattered showers, mainly before 1pm. Seas 1 to 2 ft.
  • Tonight WNW wind around 10 kt. Isolated showers before 7pm. Seas around 2 ft.
  • Sunday Variable winds 5 kt or less. Rain, mainly after 1pm. Seas around 2 ft.
  • Sunday Night SSE wind 5 to 15 kt. Rain. Seas around 3 ft.
  • Monday SSE wind around 10 kt. Rain likely, mainly after 1pm. Seas around 2 ft.
  • Monday Night Variable winds 5 kt or less. Rain likely before 7pm. Seas around 2 ft.
  • Tuesday Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
  • Tuesday Night Variable winds 5 kt or less. A chance of rain. Seas around 2 ft.
  • Wednesday Variable winds 5 kt or less. Rain likely. Seas around 3 ft.
*Notices:
  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.