National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Overcast

47°F

8°C

Humidity 98%
Wind Speed NE 6 mph
Barometer 29.76 in (1008.2 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 16 Mar 3:55 am EDT
Extended Forecast for

Williamstown PA

Wind Advisory March 16, 12:00pm until March 16, 11:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a chance of showers. Cloudy, with a steady temperature around 54. Southeast wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. High near 66. Breezy, with a south wind 17 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Chance
    Showers then
    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers, snow showers, and sleet before midnight, then a chance of snow showers between midnight and 1am. The rain could be heavy at times. Some thunder is also possible. Low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    Low: 24 °F

    Breezy.
    Wintry Mix
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A slight chance of snow showers. Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 7 to 14 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers. Cloudy, with a steady temperature around 54. Southeast wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. High near 66. Breezy, with a south wind 17 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, snow showers, and sleet before midnight, then a chance of snow showers between midnight and 1am. The rain could be heavy at times. Some thunder is also possible. Low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 20. West wind 7 to 14 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamstown PA
 40.58°N 76.61°W (Elev. 699 ft)
Last Update:
3:36 am EDT Mar 16, 2026
Forecast Valid:
4am EDT Mar 16, 2026-6pm EDT Mar 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