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 >

Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Partly Cloudy

84°F

29°C

Humidity 61%
Wind Speed S 16 G 23 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 6 Sep 1:52 pm EDT
Extended Forecast for

Princeton 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: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe.  Low around 57. Northwest wind 3 to 6 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then a chance of showers.  Patchy fog before 11am. High near 66. North wind around 6 mph becoming west in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. West wind around 6 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Northwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northeast wind around 6 mph becoming east in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. High near 82. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 3am, then showers likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Low around 57. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm before 8am, then a chance of showers. Patchy fog before 11am. High near 66. North wind around 6 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 48. West wind around 6 mph.
Monday
Sunny, with a high near 70. West wind around 6 mph.
Monday Night
Mostly clear, with a low around 47. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 71. Northeast wind around 6 mph becoming east in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 48. Northeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 68. Northeast wind around 6 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. Light and variable wind.
Thursday
Mostly sunny, with a high near 75. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 49. North wind around 6 mph.
Friday
Mostly sunny, with a high near 65. North wind around 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton MA
 42.45°N 71.89°W (Elev. 1050 ft)
1:28 pm EDT Sep 6, 2025
2pm EDT Sep 6, 2025-6pm EDT Sep 12, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database