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

Heavy Rain and Thunderstorms in the Mississippi Valley; Flooding Continues Along the East Coast of Florida

A cold front approaching the Mississippi Valley will bring heavy rainfall and isolated severe thunderstorms to the region. Thunderstorms will have the potential to produce isolated severe wind gusts and perhaps a brief tornado or two. Significant river flooding is forecast along the St. John’s and the Peace rivers in Florida through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

57°F

14°C

Humidity 87%
Wind Speed Vrbl 6 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 3 Nov 11:52 pm EST
Extended Forecast for

Harwich Port MA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Southwest wind around 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Southwest wind 8 to 14 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 56. Southwest wind 7 to 10 mph.

    Low: 56 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 66. South wind 8 to 13 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind around 10 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 64. South wind 9 to 11 mph. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 55. South wind around 9 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: Rain. High near 61. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 47. Northwest wind around 9 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Southwest wind around 9 mph.
Wednesday
Sunny, with a high near 65. Southwest wind 8 to 14 mph.
Wednesday Night
Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 56. Southwest wind 7 to 10 mph.
Thursday
Partly sunny, with a high near 66. South wind 8 to 13 mph.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 57. Southwest wind around 10 mph. Chance of precipitation is 50%.
Friday
Rain and possibly a thunderstorm. High near 64. South wind 9 to 11 mph. Chance of precipitation is 80%.
Friday Night
Rain. Low around 55. South wind around 9 mph. Chance of precipitation is 90%.
Saturday
Rain. High near 61. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 80%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47. Northwest wind around 9 mph. Chance of precipitation is 50%.
Sunday
A chance of rain before 9am. Partly sunny, with a high near 57. West wind 9 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 44. West wind around 8 mph.
Monday
A chance of rain. Mostly sunny, with a high near 56. West wind 10 to 14 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain. Partly cloudy, with a low around 43. West wind around 14 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 56. West wind 15 to 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harwich Port MA
 41.67°N 70.08°W (Elev. 10 ft)
Last Update:
7:14 pm EST Nov 3, 2026
Forecast Valid:
12am EST Nov 4, 2026-6pm EST Nov 10, 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