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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Fog/Mist

47°F

8°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.34 in (1027.9 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Last update 10 Apr 8:55 am EDT
Extended Forecast for

Jonestown PA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 46. South wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 62. North wind around 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 46. South wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 62. North wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 64. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonestown PA
 40.41°N 76.47°W (Elev. 482 ft)
Last Update:
8:05 am EDT Apr 10, 2026
Forecast Valid:
9am EDT Apr 10, 2026-6pm EDT Apr 16, 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