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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 21 Jul 3:25 am EDT
Extended Forecast for

Frederick MD

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Light west wind.

    Partly Cloudy

    Low: 74 °F

  • Friday

    Friday: Isolated showers and thunderstorms after 8am.  Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Northwest wind around 6 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 97 °F

  • Friday
    Night

    Friday Night: Isolated showers and thunderstorms before 2am.  Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 71 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 50%.

    Chance
    T-storms

    High: 93 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 74 °F

  • Sunday

    Sunday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 92. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 90. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 69.

    Mostly Cloudy

    Low: 69 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Light west wind.
Friday
Isolated showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 92. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Frederick MD
 39.42°N 77.42°W (Elev. 305 ft)
1:27 am EDT Jul 21, 2017
3am EDT Jul 21, 2017-6pm EDT Jul 27, 2017
 
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