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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

62°F

17°C

Humidity 90%
Wind Speed W 8 mph
Barometer 29.73 in (1005.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Mar 4:54 pm EDT
Extended Forecast for

Saint Michael-Sidman PA

Flood Watch until March 11, 10:00pm
Tornado Watch March 11, 05:50pm until March 11, 08:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch until March 11, 10:00pm
    Tornado Watch March 11, 05:50pm until March 11, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 64 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Rain showers before 4am, then rain and snow showers likely. Some thunder is also possible. Low around 31. Southwest wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 37. Northwest wind 16 to 18 mph, with gusts as high as 38 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could be severe. Steady temperature around 64. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain showers before 4am, then rain and snow showers likely. Some thunder is also possible. Low around 31. Southwest wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 37. Northwest wind 16 to 18 mph, with gusts as high as 38 mph.
Thursday Night
Partly cloudy, with a low around 28. West wind 5 to 8 mph, with gusts as high as 21 mph.
Friday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 45.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 70%.
Monday
Rain and snow showers likely. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Michael-Sidman PA
 40.33°N 78.75°W (Elev. 1696 ft)
Last Update:
5:41 pm EDT Mar 11, 2026
Forecast Valid:
5pm EDT Mar 11, 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