Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SSW Greenville Junction ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Isolated showers after 2pm.  Mostly sunny, with a high near 76. Calm wind.  Chance of precipitation is 20%.

    High: 76 °F

    Mostly Sunny
    then Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers before 3am.  Mostly cloudy, with a low around 61. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 61 °F

    Isolated
    Showers

  • Sunday

    Sunday: A slight chance of rain after 3pm.  Mostly cloudy, with a high near 77. South wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 8pm.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 61. Southeast wind around 8 mph.  Chance of precipitation is 30%.

    Low: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Rain likely, with thunderstorms also possible after 2pm.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 71. South wind around 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Rain Likely
    and Areas Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers.  Mostly cloudy, with a low around 58. Northwest wind around 6 mph.  Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Saturday
Isolated showers after 2pm. Mostly sunny, with a high near 76. Calm wind. Chance of precipitation is 20%.
Saturday Night
Isolated showers before 3am. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday
A slight chance of rain after 3pm. Mostly cloudy, with a high near 77. South wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly after 8pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 61. Southeast wind around 8 mph. Chance of precipitation is 30%.
Monday
Rain likely, with thunderstorms also possible after 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 71. South wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 58. Northwest wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Greenville Junction ME
 45.44°N 69.71°W (Elev. 1900 ft)
7:14 pm EDT Jul 31, 2026
8pm EDT Jul 31, 2026-6pm EDT Aug 7, 2026
 
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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