Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

57°F

14°C

Humidity 75%
Wind Speed S 5 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Sep 6:56 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light and variable wind becoming north 5 to 10 mph after midnight.

    Mostly Clear

    Low: 48 °F

  • Monday

    Monday: Sunny, with a high near 55. Northeast wind around 15 mph.

    Sunny

    High: 55 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 49. East wind 5 to 10 mph.

    Partly Cloudy

    Low: 49 °F

  • Tuesday

    Tuesday: Showers likely between 9am and 2pm, then rain likely after 2pm.  Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Rain.  Low around 62. Southeast wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Rain

    Low: 62 °F

  • Wednesday

    Wednesday: Rain likely before 8am, then showers likely after 8am.  Cloudy, with a high near 76. Chance of precipitation is 70%.

    Rain Likely

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 59 °F

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    Partly Sunny

    High: 68 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Mostly Cloudy

    Low: 54 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Light and variable wind becoming north 5 to 10 mph after midnight.
Monday
Sunny, with a high near 55. Northeast wind around 15 mph.
Monday Night
Partly cloudy, with a low around 49. East wind 5 to 10 mph.
Tuesday
Showers likely between 9am and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 62. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
Rain likely before 8am, then showers likely after 8am. Cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 63.
Click Map For Forecast
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
6:33 pm EDT Sep 23, 2018
7pm EDT Sep 23, 2018-6pm EDT Sep 30, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database