National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Overcast

69°F

21°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 22 Aug 7:51 am EDT
Extended Forecast for

Montchanin DE

  • Today

    Today: Showers likely, mainly after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. West wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. West wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Showers likely, mainly after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 62. West wind around 5 mph.
Monday
Sunny, with a high near 78. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Showers likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montchanin DE
 39.8°N 75.53°W (Elev. 299 ft)
Last Update:
4:09 am EDT Aug 22, 2026
Forecast Valid:
8am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation