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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Partly Cloudy

80°F

27°C

Humidity 52%
Wind Speed N 9 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Sep 12:51 pm EDT
Extended Forecast for

Montchanin DE

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northeast wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind around 5 mph.
Labor Day
Mostly sunny, with a high near 78. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montchanin DE
 39.8°N 75.53°W (Elev. 299 ft)
Last Update:
4:09 am EDT Sep 6, 2026
Forecast Valid:
1pm EDT Sep 6, 2026-6pm EDT Sep 12, 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