Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

27°F

-3°C

Humidity 75%
Wind Speed SE 6 mph
Barometer 30.14 in (1022.6 mb)
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 22 Apr 12:56 am EDT
Extended Forecast for

5 Miles ENE Lily Bay State Park ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Scattered snow showers after noon, mixing with rain after 4pm.  Mostly cloudy, with a high near 39. South wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then
    Scattered
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 2am, then a chance of snow showers. The snow could be heavy at times.  Mostly cloudy, with a low around 32. South wind around 6 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 3pm, then a chance of rain showers.  Mostly cloudy, with a high near 38. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 7pm.  Mostly cloudy, with a low around 27. Northwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 38. North wind around 11 mph, with gusts as high as 22 mph.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. North wind around 7 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. South wind around 6 mph.
Wednesday
Scattered snow showers after noon, mixing with rain after 4pm. Mostly cloudy, with a high near 39. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow showers before 2am, then a chance of snow showers. The snow could be heavy at times. Mostly cloudy, with a low around 32. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain and snow showers likely before 3pm, then a chance of rain showers. Mostly cloudy, with a high near 38. Northwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 27. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 38. North wind around 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 25. North wind around 7 mph.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Lily Bay State Park ME
 45.58°N 69.45°W (Elev. 1978 ft)
4:02 pm EDT Apr 21, 2026
1am EDT Apr 22, 2026-6pm EDT Apr 28, 2026
 
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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