Heavy to Excessive Rainfall in Montana; Bering Sea Low to Bring Impacts to Southwest Alaska

Heavy to excessive rainfall is forecast across portions of Montana Wednesday, along with an isolated flash flooding threat. A Slight Risk of Excessive Rainfall (level 2 of 4) is in effect for central Montana. A Bering Sea low will continue to bring strong winds, moderate to heavy rainfall, and high seas to southwest Alaska. A North Pacific Low may impact southwest Alaska at the end of the week. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Light Rain Fog/Mist

70°F

21°C

Humidity	91%
Wind Speed	N 3 mph
Barometer	29.99 in (1015.8 mb)
Dewpoint	67°F (19°C)
Visibility	6.00 mi
Last update	18 Sep 2:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Bryans Road MD

Coastal Flood Advisory September 18, 03:36am until September 18, 06:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory September 18, 03:36am until September 18, 06:00pm
NOW until 6:00pm Wed
Coastal Flood Advisory
Overnight
Low: 68 °F
Showers
Wednesday
High: 75 °F
Showers and
Patchy Fog
Wednesday Night
Low: 63 °F
Scattered
Showers
Thursday
High: 77 °F
Isolated
Showers
Thursday Night
Low: 61 °F
Slight Chance
Showers
Friday
High: 81 °F
Mostly Sunny
Friday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 77 °F
Partly Sunny

Detailed Forecast

Overnight

Showers. Low around 68. Northeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Showers and possibly a thunderstorm, mainly before 2pm, then scattered showers and thunderstorms after 2pm. Patchy fog between 8am and 10am. High near 75. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Scattered showers and thunderstorms. Cloudy, with a low around 63. North wind 5 to 7 mph. Chance of precipitation is 30%.

Thursday

Isolated showers. Mostly cloudy, with a high near 77. North wind around 7 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers before 2am. Mostly cloudy, with a low around 61. Northwest wind around 7 mph. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 81.

Friday Night

Partly cloudy, with a low around 61.

Saturday

Partly sunny, with a high near 77.