Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

66°F

19°C

Humidity 93%
Wind Speed S 7 mph
Barometer 30.09 in (1017.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 29 Jun 2:54 am EDT
Extended Forecast for

East Conemaugh PA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 11am and noon.  Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Light southwest wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

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

    High: 93 °F

    Hot

  • Wednesday Night

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

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind.
Monday Night
Partly cloudy, with a low around 66. Calm wind.
Tuesday
A slight chance of showers between 11am and noon. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 71. Light southwest wind.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 94.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
East Conemaugh PA
 40.34°N 78.89°W (Elev. 1299 ft)
3:21 am EDT Jun 29, 2026
3am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database