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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fog

34°F

1°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.88 in (1013.5 mb)
Dewpoint 34°F (1°C)
Visibility 0.50 mi
Wind Chill29°F (-2°C)
Last update 15 Feb 11:54 pm EST
Extended Forecast for

Southmont PA

Dense Fog Advisory until February 16, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 16, 11:00am

    NOW until 11:00am Mon

    Dense Fog Advisory

  • Tonight

    Low: 32 °F

    Areas Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.

    High: 57 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind.
Monday Night
Partly cloudy, with a low around 34. Calm wind.
Tuesday
Mostly sunny, with a high near 52. Calm wind.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southmont PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
10:01 pm EST Feb 15, 2026
Forecast Valid:
11pm EST Feb 15, 2026-6pm EST Feb 22, 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