Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Partly Cloudy

54°F

12°C

Humidity 53%
Wind Speed S 8 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 22 Mar 12:54 am EDT
Extended Forecast for

Revloc PA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Increasing clouds, with a high near 73. West wind 8 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Sunny then
    Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 35. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Monday

    Monday: Showers likely before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Southwest wind around 7 mph.
Sunday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Increasing clouds, with a high near 73. West wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 35. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Revloc PA
 40.48°N 78.76°W (Elev. 2060 ft)
8:05 pm EDT Mar 21, 2026
1am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database