National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Overcast

56°F

13°C

Humidity 72%
Wind Speed E 5 mph
Barometer 30.27 in (1025.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 Oct 2:52 pm EDT
Extended Forecast for

South Lancaster MA

  • This Afternoon

    This Afternoon: Showers likely, mainly after 4pm. Cloudy, with a high near 60. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 3am. The rain could be heavy at times. Patchy fog after 7pm. Low around 47. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Heavy Rain
    and Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. North wind 3 to 5 mph.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers, mainly after 11am. Patchy fog before 9am. Otherwise, cloudy, with a high near 64. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly after 4pm. Cloudy, with a high near 60. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 3am. The rain could be heavy at times. Patchy fog after 7pm. Low around 47. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. North wind 3 to 5 mph.
Monday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. Light and variable wind.
Tuesday
A chance of showers, mainly after 11am. Patchy fog before 9am. Otherwise, cloudy, with a high near 64. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 72. West wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 61. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 40. Light northwest wind.
Friday
Showers likely. Mostly cloudy, with a high near 60. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 42. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 52. Northwest wind around 17 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 33. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lancaster MA
 42.44°N 71.71°W (Elev. 456 ft)
Last Update:
2:35 pm EDT Oct 11, 2026
Forecast Valid:
3pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation