Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Current conditions at

Wilmington, New Castle County Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Thunderstorm

84°F

29°C

Humidity 65%
Wind Speed S 10 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Aug 1:51 pm EDT
Extended Forecast for

Montchanin DE

Heat Advisory August 19, 10:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain.  Mostly sunny, with a high near 91. South wind around 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 91 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 73. South wind 3 to 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Patchy Fog

    Low: 73 °F

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, sunny, with a high near 92. Southwest wind 3 to 6 mph.

    Patchy Fog
    then Sunny

    High: 92 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 75 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 74. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 74 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 89. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 73 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 87. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 87 °F

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Mostly sunny, with a high near 91. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 73. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 92. Southwest wind 3 to 6 mph.
Monday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 74. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Thursday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Montchanin DE
 39.78°N 75.54°W (Elev. 253 ft)
12:43 pm EDT Aug 18, 2019
2pm EDT Aug 18, 2019-6pm EDT Aug 24, 2019
 
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Additional Resources

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Hourly Weather Forecast

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