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

Heavy Snow in the Northern Plains and Upper Midwest; Severe Thunderstorms in the Southern U.S.

In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest today before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Isolated severe thunderstorms are likely across parts of the Southeast/Deep South, mainly from this morning into early evening. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

51°F

11°C

Humidity 71%
Wind Speed SW 15 G 23 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 25 Nov 11:56 am EST
Extended Forecast for

South Yarmouth MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 9pm. Patchy fog before midnight, then patchy fog after 1am. Low around 45. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain. Patchy fog. High near 57. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before midnight. Patchy fog before 8pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog then
    Slight Chance
    Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 49. West wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. West wind 13 to 15 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 42 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Rain, mainly after 9pm. Patchy fog before midnight, then patchy fog after 1am. Low around 45. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Patchy fog. High near 57. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain, mainly before midnight. Patchy fog before 8pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thanksgiving Day
Mostly sunny, with a high near 49. West wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 32. West wind 10 to 13 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 44. West wind 14 to 17 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 30. West wind 13 to 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 42. West wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 30. Northwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 47. Light southwest wind becoming south 5 to 9 mph in the morning.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind around 8 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 51. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Yarmouth MA
 41.67°N 70.2°W (Elev. 10 ft)
Last Update:
6:00 am EST Nov 25, 2025
Forecast Valid:
12pm EST Nov 25, 2025-6pm EST Dec 1, 2025
 
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