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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

36°F

2°C

Humidity 97%
Wind Speed W 16 G 28 mph
Barometer 29.78 in (1008.7 mb)
Dewpoint 35°F (2°C)
Visibility 9.00 mi
Wind Chill26°F (-3°C)
Last update 12 Mar 3:54 am EDT
Extended Forecast for

3 Miles ESE Twin Rocks PA

Wind Advisory March 13, 11:00am until March 14, 02:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A chance of rain showers, snow showers, and sleet before 5am, then a slight chance of snow showers. Cloudy, with a low around 29. Blustery, with a northwest wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance Wintry
    Mix and
    Blustery

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 36. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 37 mph.

    High: 36 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 48. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of rain showers, possibly mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Breezy.

    High: 54 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 70%.

    Low: 42 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of rain showers, snow showers, and sleet before 5am, then a slight chance of snow showers. Cloudy, with a low around 29. Blustery, with a northwest wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 36. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 37 mph.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 48. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain showers, possibly mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 29. Breezy, with a west wind around 22 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 54. Breezy.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 70%.
Monday
Rain showers before 2pm, then a chance of rain and snow showers. High near 57. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Twin Rocks PA
 40.51°N 78.81°W (Elev. 2221 ft)
Last Update:
3:06 am EDT Mar 12, 2026
Forecast Valid:
4am EDT Mar 12, 2026-6pm EDT Mar 18, 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