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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

59°F

15°C

Humidity 75%
Wind Speed NW 17 G 32 mph
Barometer 29.53 in (1000.2 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Jun 1:56 pm EDT
Extended Forecast for

Monson ME

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. Northwest wind around 14 mph, with gusts as high as 25 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Northwest wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 72. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Scattered
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and 5am. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%.

    Low: 53 °F

    Scattered
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Light south wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. East wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 7pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. Northwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 53. Northwest wind around 6 mph.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 72. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and 5am. Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Light south wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. East wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers, mainly before 7pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Monson ME
 45.29°N 69.5°W (Elev. 889 ft)
Last Update:
2:33 pm EDT Jun 20, 2026
Forecast Valid:
2pm EDT Jun 20, 2026-6pm EDT Jun 26, 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