Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46° N Lon: 69.55° W Elev: 1394 ft.

70°F

21°C

Humidity 68%
Wind Speed Calm
Barometer 29.79 in (1008.4 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 27 Jul 7:56 pm EDT
Detailed forecast for

Southern Piscataquis

Tonight
Mostly clear this evening, then becoming partly cloudy. Lows in the mid 50s. South winds around 5 mph.
Tuesday
Sunny. Highs in the mid 80s. South winds 5 to 10 mph.
Tuesday Night
Partly cloudy in the evening, then becoming cloudy. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Highs in the mid 70s. Southeast winds 5 to 10 mph.
Wednesday Night
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 70 percent.
Thursday
Patchy fog in the morning. Showers likely with a chance of thunderstorms. Highs around 70. Chance of rain 70 percent.
Thursday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 70 percent.
Friday
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
Friday Night
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 40 percent.
Saturday
Mostly sunny. Highs in the lower 80s.
Saturday Night
Partly cloudy. Lows in the lower 60s.
Sunday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
Sunday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Monday
A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.



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400 PM EDT Mon Jul 27 2026
 
 

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