Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

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Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

7°C

45°F

Humidity	74%
Wind Speed	Vrbl 7 km/h
Barometer	1019.3 mb (30.10 in)
Dewpoint	3°C (37°F)
Visibility	16 km
Wind Chill	6°C (42°F)
Last update	19 Apr 7:56 pm EDT

More Information:

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

Extended Forecast for

South Yarmouth MA

Tonight

Mostly Cloudy
then Chance
Showers
Low: 7 °C
Saturday

Showers and
Patchy Fog
High: 13 °C
Saturday
Night

Slight Chance
Showers then
Mostly Clear
Low: 5 °C
Sunday

Increasing
Clouds
High: 12 °C
Sunday
Night

Partly Cloudy
Low: 5 °C
Monday

Sunny
High: 12 °C
Monday
Night

Clear
Low: 4 °C
Tuesday

Sunny
High: 11 °C
Tuesday
Night

Mostly Cloudy
Low: 6 °C

Detailed Forecast

Tonight

A chance of showers, mainly after 5am. Mostly cloudy, with a low around 7. South wind 13 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%.

Saturday

Showers, mainly before 5pm. Patchy fog before 10am. High near 13. South wind 10 to 13 km/h becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between 7.5 mm and 1 cm possible.

Saturday Night

A slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 5. Northwest wind 14 to 21 km/h. Chance of precipitation is 20%.

Sunday

Increasing clouds, with a high near 12. Northwest wind 13 to 16 km/h becoming southwest in the afternoon.

Sunday Night

Partly cloudy, with a low around 5. Southwest wind 14 to 16 km/h.

Monday

Sunny, with a high near 12. West wind 16 to 18 km/h becoming north in the afternoon.

Monday Night

Clear, with a low around 4. Southeast wind 14 to 16 km/h becoming northwest after midnight.

Tuesday

Sunny, with a high near 11. South wind 14 to 23 km/h.

Tuesday Night

Mostly cloudy, with a low around 6. South wind around 24 km/h.

Wednesday

Mostly cloudy, with a high near 13. South wind 24 to 29 km/h, with gusts as high as 45 km/h.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 3. South wind 27 to 29 km/h becoming northwest after midnight. Winds could gust as high as 45 km/h. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 11. Northwest wind around 27 km/h.

Thursday Night

Mostly clear, with a low around 4. West wind around 26 km/h.

Friday

Sunny, with a high near 12. North wind 21 to 24 km/h.