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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

72°F

22°C

Humidity 87%
Wind Speed SW 7 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 21 Aug 11:52 pm EDT
Extended Forecast for

Brewster MA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 70. Southwest wind around 7 mph.

    Patchy Fog

    Low: 70 °F

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, increasing clouds, with a high near 79. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Patchy Fog
    then Partly
    Sunny

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rain.  Patchy fog before midnight, then patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 71. Southwest wind around 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Fog
    then Heavy
    Rain and
    Patchy Fog

    Low: 71 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Some of the storms could produce heavy rain.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 79. Southwest wind 9 to 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    and Patchy
    Fog

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers before 10pm.  Partly cloudy, with a low around 65. Southwest wind around 7 mph becoming northwest after midnight.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 65 °F

  • Thursday

    Thursday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Friday

    Friday: Sunny, with a high near 72.

    Sunny

    High: 72 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 70. Southwest wind around 7 mph.
Tuesday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 79. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rain. Patchy fog before midnight, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Some of the storms could produce heavy rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 79. Southwest wind 9 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers before 10pm. Partly cloudy, with a low around 65. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 72.
Click Map For Forecast
Point Forecast:
Brewster MA
 41.76°N 70.08°W (Elev. 26 ft)
9:00 pm EDT Aug 21, 2017
12am EDT Aug 22, 2017-6pm EDT Aug 27, 2017
 
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