Thunderstorms and Heavy Rain Possible in the Northern and Central Plains and New Mexico; Dangerous Heat Continues

Severe thunderstorms, capable of producing damaging winds and isolated large hail, and heavy rainfall are possible across the northern and central Plains. Monsoonal thunderstorms may produce heavy rainfall and possible flash flooding across New Mexico. Dangerous, long duration heat will continue over much of the central and eastern U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

95°F

35°C

Humidity 41%
Wind Speed NA
Barometer 30.04 in (1017.1 mb)
Dewpoint 68°F (20°C)
Visibility NA
Heat Index100°F (38°C)
Last update 29 Jul 10:53 am EDT
Extended Forecast for

Glen Arm MD

  • Today

    Today: Mostly sunny, with a high near 96. Heat index values as high as 102. Calm wind.

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 2pm.  Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers.  Partly cloudy, with a low around 75. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 87. Southeast wind 5 to 7 mph.  Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 96. Heat index values as high as 102. Calm wind.
Tonight
Mostly clear, with a low around 76. Calm wind.
Wednesday
A slight chance of showers after 2pm. Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Southeast wind 5 to 7 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Arm MD
 39.46°N 76.49°W (Elev. 328 ft)
10:29 am EDT Jul 29, 2025
11am EDT Jul 29, 2025-6pm EDT Aug 4, 2025
 
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Additional Resources

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