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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Overcast

56°F

13°C

Humidity 97%
Wind Speed Calm
Barometer 29.93 in (1013.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 May 5:55 am EDT
Extended Forecast for

Annville PA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 73. Southwest wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 49. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 73. Southwest wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 49. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 63. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 72. Northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annville PA
 40.33°N 76.51°W (Elev. 404 ft)
Last Update:
6:46 am EDT May 13, 2026
Forecast Valid:
7am EDT May 13, 2026-6pm EDT May 19, 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