National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

Westerly, Westerly State Airport (KWST)

Lat: 41.35°NLon: 71.8°WElev: 79ft.

Fair

83°F

28°C

Humidity 57%
Wind Speed SW 8 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 5:53 pm EDT
Extended Forecast for

Charlestown RI

Tropical Storm Warning until further notice
Click here for hazard details and duration
Tropical Storm Warning until further notice
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Tonight

    Tonight: A slight chance of showers between 10pm and 11pm, then a slight chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 72. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Cloudy, with a high near 80. Southeast wind 7 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    Showers

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming partly cloudy, with a low around 71. Windy, with a south wind 28 to 33 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Showers
    Likely and
    Windy

    Low: 71 °F

  • Wednesday

    Wednesday: A chance of showers, mainly before 11am. Mostly sunny, with a high near 82. Southwest wind 11 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 67. Southwest wind 5 to 8 mph becoming northwest after midnight.

    Patchy Fog

    Low: 67 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 80. North wind 5 to 7 mph becoming south in the afternoon.

    Mostly Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: Partly sunny, with a high near 81. East wind 5 to 7 mph.

    Partly Sunny

    High: 81 °F

Detailed Forecast

Tonight
A slight chance of showers between 10pm and 11pm, then a slight chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 72. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Cloudy, with a high near 80. Southeast wind 7 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming partly cloudy, with a low around 71. Windy, with a south wind 28 to 33 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of showers, mainly before 11am. Mostly sunny, with a high near 82. Southwest wind 11 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 67. Southwest wind 5 to 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 80. North wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. Light and variable wind.
Friday
Partly sunny, with a high near 81. East wind 5 to 7 mph.
Friday Night
A chance of showers after 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Saturday
A chance of showers before 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 30%.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 67. Light and variable wind.
Sunday
Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. South wind 3 to 8 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Charlestown RI
 41.38°N 71.66°W (Elev. 72 ft)
Last Update:
4:59 pm EDT Aug 3, 2020
Forecast Valid:
5pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation