Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fog

63°F

17°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.65 in (1004.1 mb)
Dewpoint 63°F (17°C)
Visibility 0.25 mi
Last update 12 Oct 2:53 am EDT
Extended Forecast for

2 Miles SSE Siasconset MA

  • Overnight

    Overnight: Showers likely, mainly before 4am.  Patchy fog.  Otherwise, cloudy, with a low around 59. East wind around 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a north wind 17 to 20 mph.

    High: 62 °F

    Breezy.
    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 57. Light north wind becoming northeast 5 to 10 mph in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Southeast wind 13 to 15 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 9pm.  Mostly cloudy, with a low around 60. Breezy, with a southwest wind 16 to 21 mph.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 16 to 20 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 56. Northwest wind 10 to 13 mph.  Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North wind 15 to 17 mph.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 5am.  Partly cloudy, with a low around 53. Northeast wind 6 to 8 mph becoming east after midnight.  Chance of precipitation is 30%.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Patchy fog. Otherwise, cloudy, with a low around 59. East wind around 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a north wind 17 to 20 mph.
Monday Night
Increasing clouds, with a low around 57. Light north wind becoming northeast 5 to 10 mph in the evening.
Tuesday
Mostly cloudy, with a high near 65. Southeast wind 13 to 15 mph.
Tuesday Night
A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 60. Breezy, with a southwest wind 16 to 21 mph. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 16 to 20 mph.
Wednesday Night
A chance of showers between 11pm and 2am. Mostly cloudy, with a low around 56. Northwest wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 60. North wind 15 to 17 mph.
Thursday Night
A chance of showers after 5am. Partly cloudy, with a low around 53. Northeast wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 66. Breezy, with a southeast wind 11 to 20 mph. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 50. Windy, with a west wind 24 to 29 mph. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Windy, with a northwest wind 24 to 31 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 45. Windy, with a northwest wind 25 to 29 mph.
Sunday
Sunny, with a high near 56. Breezy, with a northwest wind 16 to 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Siasconset MA
 41.24°N 69.98°W (Elev. 0 ft)
2:12 am EDT Oct 12, 2026
3am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
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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