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

Dangerous Heat in the Central U.S. and Northeast; Heavy Rainfall Across the Gulf Coast

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through Tuesday. This heat is expected to be exceptionally rare and produce numerous high temperature records. Showers and thunderstorms with the potential to produce heavy rainfall and flash flooding is expected across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

83°F

28°C

Humidity 43%
Wind Speed Vrbl 5 mph
Barometer 30.21 in (1022.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Jul 1:53 pm EDT
Extended Forecast for

3 Miles SSE Wellsville PA

Heat Advisory July 15, 11:00am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. South wind around 6 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Light south wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Light west wind increasing to 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 85. South wind around 6 mph.
Tonight
Clear, with a low around 64. Light south wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Southwest wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 99. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Mostly sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny and hot, with a high near 93.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Wellsville PA
 40.01°N 76.92°W (Elev. 535 ft)
Last Update:
1:46 pm EDT Jul 13, 2026
Forecast Valid:
2pm EDT Jul 13, 2026-6pm EDT Jul 19, 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