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.

62°F

17°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 61°F (16°C)
Visibility NA
Last update 2 Aug 3:56 am EDT
Extended Forecast for

2 Miles SSW South Sebec ME

  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Scattered showers, mainly after 11pm.  Areas of fog after 2am.  Otherwise, mostly cloudy, with a low around 63. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Scattered
    Showers and
    Areas Fog

  • Monday

    Monday: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 10am.  Areas of fog before 11am. High near 74. South wind 7 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Rain and
    Areas Fog

  • Monday Night

    Monday Night: Rain likely, mainly before midnight.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 59. West wind around 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 82. West wind 7 to 9 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Light west wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Scattered showers, mainly after 11pm. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 63. South wind 5 to 9 mph. Chance of precipitation is 30%.
Monday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 10am. Areas of fog before 11am. High near 74. South wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain likely, mainly before midnight. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 59. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. West wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 58. Light west wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 88. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW South Sebec ME
 45.19°N 69.1°W (Elev. 459 ft)
4:02 am EDT Aug 2, 2026
4am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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