Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Wellsboro Johnston Airport (KN38)

Lat: 41.73°NLon: 77.4°WElev: 1892ft.

A Few Clouds

84°F

29°C

Humidity 62%
Wind Speed SW 15 mph
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 30 Jun 1:35 pm EDT
Extended Forecast for

3 Miles NNW Cowanesque PA

Heat Advisory July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Isolated showers between 2pm and 3pm.  Partly sunny, with a high near 87. Southwest wind around 9 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers between 7pm and 2am.  Partly cloudy, with a low around 71. Southwest wind around 7 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers before noon, then isolated showers and thunderstorms between noon and 1pm.  Mostly sunny, with a high near 91. Heat index values as high as 100. West wind around 9 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. West wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers between 2pm and 3pm. Partly sunny, with a high near 87. Southwest wind around 9 mph. Chance of precipitation is 20%.
Tonight
Isolated showers between 7pm and 2am. Partly cloudy, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers before noon, then isolated showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West wind around 9 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 72. West wind around 7 mph.
Thursday
Sunny and hot, with a high near 93. West wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 72.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Cowanesque PA
 41.97°N 77.51°W (Elev. 1900 ft)
12:46 pm EDT Jun 30, 2026
1pm EDT Jun 30, 2026-6pm EDT Jul 6, 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