Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from September 6, 01:10 PM EDT until September 6, 08:00 PM EDT

Current conditions at

Chicopee Falls / Westover Air Force Base (KCEF)

Lat: 42.2°NLon: 72.53°WElev: 246ft.

Mostly Cloudy

79°F

26°C

Humidity	74%
Wind Speed	SW 8 mph
Barometer	29.91 in (1013.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	6 Sep 11:55 am EDT

More Information:

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

Extended Forecast for

Monson Center MA

Severe T-storm Watch until September 6, 08:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until September 6, 08:00pm
NOW until 8:00pm Sat
Severe T-storm Watch
This Afternoon
High: 84 °F
Severe
Thunderstorms
Tonight
Low: 55 °F
Severe
Thunderstorms
then Showers
Likely
Sunday
High: 67 °F
Chance
Showers and
Patchy Fog
Sunday Night
Low: 47 °F
Partly Cloudy
Monday
High: 72 °F
Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 73 °F
Mostly Sunny
Tuesday Night
Low: 48 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. Partly sunny, with a high near 84. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm before 5am, then showers likely. Some of the storms could be severe and produce heavy rainfall. Low around 55. West wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday

A chance of showers, mainly before 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. North wind around 6 mph becoming west in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Partly cloudy, with a low around 47. Northwest wind around 5 mph.

Monday

Sunny, with a high near 72. Northwest wind 3 to 6 mph.

Monday Night

Mostly clear, with a low around 46. Light north wind.

Tuesday

Mostly sunny, with a high near 73. East wind around 6 mph.

Tuesday Night

Mostly cloudy, with a low around 48. Northeast wind 3 to 6 mph.

Wednesday

Partly sunny, with a high near 71. Northeast wind around 6 mph.