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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

78°F

26°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index79°F (26°C)
Last update 28 Jul 4:20 pm EDT
Extended Forecast for

5 Miles SSW Allagash State Wilderness Waterway ME

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 7 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Southeast wind 3 to 7 mph.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 80. Light east wind.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 7 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Southeast wind 3 to 7 mph.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80. Light east wind.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Allagash State Wilderness Waterway ME
 46.39°N 69.33°W (Elev. 1145 ft)
Last Update:
4:02 pm EDT Jul 28, 2026
Forecast Valid:
4pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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