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

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Hazardous Weather Conditions

Current conditions at

Elmira, Elmira / Corning Regional Airport (KELM)

Lat: 42.16°NLon: 76.9°WElev: 955ft.

Fog/Mist

38°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1014.8 mb)
Dewpoint 38°F (3°C)
Visibility 3.00 mi
Last update 18 Apr 4:53 am EDT
Extended Forecast for

Cowanesque PA

  • Today

    Today: A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 73. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 37. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Rain likely, possibly mixed with snow showers before 11am, then a chance of rain showers. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain showers before 11pm, then a chance of snow showers. Partly cloudy, with a low around 26. West wind around 6 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 39. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 2am. Otherwise, partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 73. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 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 thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 37. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain likely, possibly mixed with snow showers before 11am, then a chance of rain showers. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain showers before 11pm, then a chance of snow showers. Partly cloudy, with a low around 26. West wind around 6 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 39. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Widespread frost after 2am. Otherwise, partly cloudy, with a low around 22.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 53.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cowanesque PA
 41.93°N 77.49°W (Elev. 1506 ft)
Last Update:
3:24 am EDT Apr 18, 2026
Forecast Valid:
5am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation