Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

A Few Clouds

75°F

24°C

Humidity 89%
Wind Speed Vrbl 6 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 27 Aug 9:47 am EDT
Extended Forecast for

Jefferson MD

  • Today

    Today: Scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Mostly sunny, with a high near 88. South wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then scattered showers between 1am and 2am. Some of the storms could be severe.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Friday

    Friday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 65. Light north wind.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 86. Light and variable wind becoming north around 5 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, sunny, with a high near 88.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 88. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then scattered showers between 1am and 2am. Some of the storms could be severe. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Light north wind.
Saturday
Sunny, with a high near 86. Light and variable wind becoming north around 5 mph.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 67.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson MD
 39.34°N 77.55°W (Elev. 440 ft)
7:52 am EDT Aug 27, 2026
10am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

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