Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

57°F

14°C

Humidity 99%
Wind Speed Calm
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 28 Jul 6:20 am EDT
Extended Forecast for

7 Miles S Round Mountain ME

  • Today

    Today: Mostly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 9pm.  Increasing clouds, with a low around 54. Calm wind.  Chance of precipitation is 40%.

    Low: 54 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 1pm.  Cloudy, with a high near 74. East wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 5am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 53. Light northeast wind.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers after 2pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 77. Northeast wind 3 to 5 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
A chance of rain, mainly after 9pm. Increasing clouds, with a low around 54. Calm wind. Chance of precipitation is 40%.
Thursday
Rain likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. East wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly before 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 53. Light northeast wind. Chance of precipitation is 40%.
Friday
A slight chance of showers before 11am, then a slight chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Round Mountain ME
 46.49°N 68.83°W (Elev. 1001 ft)
4:02 am EDT Jul 28, 2026
6am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database