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Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Light Rain Fog/Mist

38°F

3°C

Humidity 89%
Wind Speed SE 9 mph
Barometer 30.27 in (1025.4 mb)
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Wind Chill32°F (0°C)
Last update 23 Feb 6:56 pm EST
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Rain, mainly before 9pm.  Patchy fog after 8pm. Low around 38. Southeast wind 7 to 10 mph becoming west after midnight.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Rain and
    Patchy Fog
    then Patchy
    Fog

    Low: 38 °F

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 52. West wind 5 to 7 mph becoming light and variable  in the afternoon.

    Patchy Fog
    then Partly
    Sunny

    High: 52 °F

  • Saturday
    Night

    Saturday Night: Rain likely, mainly after 5am.  Mostly cloudy, with a low around 38. Light north wind becoming east 5 to 10 mph after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Cloudy then
    Rain Likely

    Low: 38 °F

  • Sunday

    Sunday: Rain, mainly before 5pm.  High near 45. Southeast wind 13 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    High: 45 °F

  • Sunday
    Night

    Sunday Night: A chance of rain, mainly before 9pm.  Mostly cloudy, with a low around 39. South wind 8 to 14 mph becoming northwest after midnight.  Chance of precipitation is 40%.

    Chance Rain
    then Mostly
    Cloudy

    Low: 39 °F

  • Monday

    Monday: Mostly sunny, with a high near 51.

    Mostly Sunny

    High: 51 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 35.

    Mostly Clear

    Low: 35 °F

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    Sunny

    High: 45 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 37.

    Mostly Clear

    Low: 37 °F

Detailed Forecast

Tonight
Rain, mainly before 9pm. Patchy fog after 8pm. Low around 38. Southeast wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 52. West wind 5 to 7 mph becoming light and variable in the afternoon.
Saturday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 38. Light north wind becoming east 5 to 10 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 5pm. High near 45. Southeast wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of rain, mainly before 9pm. Mostly cloudy, with a low around 39. South wind 8 to 14 mph becoming northwest after midnight. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
South Dennis MA
 41.71°N 70.16°W (Elev. 49 ft)
6:16 pm EST Feb 23, 2018
7pm EST Feb 23, 2018-6pm EST Mar 2, 2018
 
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