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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Elmira, Elmira / Corning Regional Airport (KELM)

Lat: 42.16°NLon: 76.9°WElev: 955ft.

68°F

20°C

Humidity 32%
Wind Speed SW 18 G 25 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Mar 12:53 pm EDT
Extended Forecast for

Harrison Valley PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 58. Southwest wind around 16 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 5am, then showers after 5am. Low around 50. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 55. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Cloudy, with a high near 56. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 58. Southwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms likely before 3am, then showers and possibly a thunderstorm between 3am and 5am, then showers after 5am. Low around 50. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 55. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 8am. Cloudy, with a high near 56. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrison Valley PA
 41.9°N 77.7°W (Elev. 2464 ft)
Last Update:
10:12 am EDT Mar 30, 2026
Forecast Valid:
12pm EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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