Extreme Heat in the Central US Expands to the East; Heavy Rains from the Southern Plains to the Great Lakes

Dangerous, long-lasting heat remains across the Mid-South to Mid-Mississippi Valley, while heat expands into the Northeast for a brief period on Friday. Strong to isolated severe thunderstorms and heavy rain pose a flash flooding threat from from the southern High Plains east to the Great Lakes. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

84°F

29°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 30.21 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Heat Index88°F (31°C)
Last update 24 Jul 10:47 am EDT
Extended Forecast for

2 Miles SSW Emmitsburg MD

Heat Advisory July 25, 11:00am until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Scattered sprinkles before noon.  Mostly sunny, with a high near 90. South wind around 9 mph.

    High: 90 °F

    Scattered
    Sprinkles

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 73. Light northwest wind.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 90. Calm wind.  Chance of precipitation is 30%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 94. Chance of precipitation is 50%.

    High: 94 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday 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
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Scattered sprinkles before noon. Mostly sunny, with a high near 90. South wind around 9 mph.
Tonight
Mostly clear, with a low around 72. Light south wind.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Light northwest wind. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Calm wind. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Emmitsburg MD
 39.68°N 77.35°W (Elev. 633 ft)
10:30 am EDT Jul 24, 2025
11am EDT Jul 24, 2025-6pm EDT Jul 30, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database