Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Elmira, Elmira / Corning Regional Airport (KELM)

Lat: 42.16°NLon: 76.9°WElev: 955ft.

Fair

46°F

8°C

Humidity 89%
Wind Speed E 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 7:53 am EDT
Extended Forecast for

Harrison Valley PA

  • Today

    Today: A chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 70. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 35. Southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Heavy Rain

  • Sunday

    Sunday: Rain and snow showers likely before 7am, then a chance of snow showers.  Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 14 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly between 8pm and 2am.  Mostly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 34. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 1am.  Otherwise, partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 70. Breezy, with a south wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 35. Southwest wind 13 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain and snow showers likely before 7am, then a chance of snow showers. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of snow showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 34. Northwest wind around 14 mph, with gusts as high as 24 mph.
Monday Night
Widespread frost after 1am. Otherwise, partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 50.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Harrison Valley PA
 41.9°N 77.7°W (Elev. 2464 ft)
8:06 am EDT Apr 18, 2026
8am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database