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

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.

59°F

15°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 1 Aug 4:56 am EDT
Extended Forecast for

2 Miles SW Howard Corner ME

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Isolated showers before 9pm. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    Showers then
    Areas Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming south 5 to 9 mph in the morning.

    High: 86 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 5am. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Areas Fog

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Areas of fog before noon. Otherwise, cloudy, with a high near 76. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely and
    Areas Fog

  • Monday Night

    Monday Night: A chance of showers, mainly before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 58. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 83. Northwest wind around 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind.
Tonight
Isolated showers before 9pm. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
A chance of showers, mainly after 5am. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Areas of fog before noon. Otherwise, cloudy, with a high near 76. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers, mainly before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 58. West wind around 6 mph. Chance of precipitation is 40%.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. 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. Partly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Howard Corner ME
 45.15°N 69.32°W (Elev. 591 ft)
Last Update:
4:02 am EDT Aug 1, 2026
Forecast Valid:
5am EDT Aug 1, 2026-6pm EDT Aug 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation