Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Greenville (KGNR)

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

58°F

14°C

Humidity 87%
Wind Speed E 5 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 28 Jul 4:56 am EDT
Detailed forecast for

Central Piscataquis

Today
Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph.
Tonight
Mostly cloudy. Isolated showers after midnight. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
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 rain in the evening, then rain likely after midnight. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 70 percent.
Thursday
Rain. A slight chance of thunderstorms in the afternoon. Highs around 70. Northeast winds 5 to 10 mph. Chance of rain 80 percent.
Thursday Night
Mostly cloudy. Rain likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 50s. Chance of rain 70 percent.
Friday
Patchy fog in the morning. Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 30 percent.
Friday Night
Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 30 percent.
Saturday
Mostly sunny. Highs in the upper 70s.
Saturday Night
Partly cloudy. Lows around 60.
Sunday
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Sunday Night
Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
Monday
Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.



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400 AM EDT Tue Jul 28 2026
 
 

Additional Resources

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