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

Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture. Read More >

Hazardous Weather Conditions

Current conditions at

Westerly, Westerly State Airport (KWST)

Lat: 41.35°NLon: 71.8°WElev: 79ft.

Fair

92°F

33°C

Humidity 58%
Wind Speed SW 10 G 18 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 21 Jul 4:53 pm EDT
Extended Forecast for

Charlestown RI

Excessive Heat Warning until July 21, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 21, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • This
    Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 106. Southwest wind around 11 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 96 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: A chance of showers, mainly after noon. Partly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 80 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Some of the storms could produce heavy rainfall. Patchy fog. Low around 68. East wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog

    Low: 68 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then showers likely. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 73. North wind 6 to 9 mph. Chance of precipitation is 90%.

    Heavy Rain
    and Patchy
    Fog

    High: 73 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. North wind 5 to 7 mph becoming south in the afternoon.

    Partly Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Partly Cloudy

    Low: 64 °F

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 106. Southwest wind around 11 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Monday
A chance of showers, mainly after noon. Partly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Some of the storms could produce heavy rainfall. Patchy fog. Low around 68. East wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 1pm, then showers likely. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 73. North wind 6 to 9 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 76. North wind 5 to 7 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Light and variable wind.
Thursday
Sunny, with a high near 78. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. South wind 3 to 7 mph.
Saturday
Sunny, with a high near 80. Light southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 67. South wind 5 to 8 mph.
Sunday
Sunny, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Charlestown RI
 41.38°N 71.66°W (Elev. 72 ft)
Last Update:
3:56 pm EDT Jul 21, 2019
Forecast Valid:
5pm EDT Jul 21, 2019-6pm EDT Jul 28, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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