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Heavy Rain and Potential for Flash Flooding in the Southwest and Central U.S.

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67° N Lon: 70.27° W Elev: 49 ft.

A Few Clouds



Humidity 73%
Wind Speed SW 14 G 21 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Jul 11:56 am EDT
Detailed forecast for

Barnstable County

This Afternoon
Partly sunny. Isolated showers. Near steady temperature around 70. Southwest winds 10 to 15 mph. Gusts up to 25 mph. Chance of rain 20 percent.
Mostly cloudy with a chance of showers. Patchy fog after midnight. Humid. Near steady temperature in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
Partly sunny. Patchy fog in the morning. Humid with highs in the mid 70s. West winds around 5 mph, becoming south in the afternoon.
Friday Night
Rain likely. Patchy fog. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph, becoming northeast with gusts up to 20 mph after midnight. Chance of rain 70 percent.
Rain likely. Patchy fog. Near steady temperature in the upper 60s. Northeast winds 15 to 20 mph. Gusts up to 30 mph, increasing to 40 mph in the afternoon. Chance of rain 70 percent.
Saturday Night Through Sunday Night
Mostly cloudy. Lows in the mid 60s. Highs in the upper 60s.
Partly sunny. Highs in the lower 70s.
Monday Night Through Tuesday Night
Partly cloudy. Lows in the mid 60s. Highs in the mid 70s.
Sunny. Highs in the upper 70s.

Click Map For Forecast
1015 AM EDT Thu Jul 27 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database