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.

Fair

71°F

22°C

Humidity 89%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 22 Jun 12:55 am EDT
Extended Forecast for

Myerstown PA

Extreme Heat Warning June 22, 11:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Mostly clear, with a low around 69. Southwest wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 95. Heat index values as high as 102. West wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. West wind 5 to 7 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the morning.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Light northwest wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Southwest wind around 5 mph.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 95. Heat index values as high as 102. West wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 75. West wind 5 to 7 mph.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 77. Light northwest wind.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Myerstown PA
 40.37°N 76.3°W (Elev. 499 ft)
Last Update:
1:39 am EDT Jun 22, 2025
Forecast Valid:
1am EDT Jun 22, 2025-6pm EDT Jun 28, 2025
 
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