Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

59°F

15°C

Humidity 90%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 22 Jun 6:56 am EDT
Extended Forecast for

2 Miles WNW Lily Bay State Park ME

  • Today

    Today: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Isolated
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Tonight

    Tonight: Showers.  Patchy fog after midnight. Low around 53. South wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers, mainly before noon.  Areas of fog before 8am. High near 66. Light and variable wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers and
    Areas Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog between 4am and 5am.  Otherwise, partly cloudy, with a low around 54. Northwest wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 68. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 72. Light northwest wind.  Chance of precipitation is 40%.

    High: 72 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm.  High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers. Patchy fog after midnight. Low around 53. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers, mainly before noon. Areas of fog before 8am. High near 66. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 54. Northwest wind 3 to 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 68. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72. Light northwest wind. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 68. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Lily Bay State Park ME
 45.58°N 69.58°W (Elev. 1106 ft)
5:30 am EDT Jun 22, 2026
7am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
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Additional Resources

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