Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving system in the central U.S. will bring a renewed period of locally heavy rain this weekend across much of the Plains. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality for much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Mostly Cloudy

70°F

21°C

Humidity 97%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 17 Aug 8:51 pm EDT
Extended Forecast for

Yarmouth MESimilar City Names

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Some storms could be severe, with gusty winds and heavy rain.  Patchy fog after 4am. Low around 66. South wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms
    then Heavy
    Rain and
    Patchy Fog

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers before 9am, then showers likely after 10am.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 72. Southwest wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Patchy Fog

    High: 72 °F

  • Saturday
    Night

    Saturday Night: Showers likely, mainly before 7pm.  Mostly cloudy, with a low around 56. North wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely then
    Partly Cloudy

    Low: 56 °F

  • Sunday

    Sunday: Partly sunny, with a high near 73. Northeast wind around 10 mph.

    Partly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 58. Northeast wind around 5 mph.

    Mostly Cloudy

    Low: 58 °F

  • Monday

    Monday: Partly sunny, with a high near 73.

    Partly Sunny

    High: 73 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    Mostly Sunny

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64.

    Chance
    T-storms

    Low: 64 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Some storms could be severe, with gusty winds and heavy rain. Patchy fog after 4am. Low around 66. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 9am, then showers likely after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 72. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 73. Northeast wind around 10 mph.
Sunday Night
Mostly cloudy, with a low around 58. Northeast wind around 5 mph.
Monday
Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Yarmouth MESimilar City Names
 43.79°N 70.2°W (Elev. 161 ft)
6:26 pm EDT Aug 17, 2018
8pm EDT Aug 17, 2018-6pm EDT Aug 24, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database