Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 18, 11:00 AM EDT until June 19, 08:00 PM EDT

Current conditions at

Wilmington, New Castle County Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Fog/Mist

73°F

23°C

Humidity	96%
Wind Speed	S 3 mph
Barometer	29.96 in (1014.4 mb)
Dewpoint	72°F (22°C)
Visibility	4.00 mi
Last update	18 Jun 8:51 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Montchanin DE

Heat Advisory June 18, 11:00am until June 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 87 °F
Patchy
Showers and
Patchy Fog
then T-storms
Tonight
Low: 73 °F
T-storms
Likely then
Patchy Fog
Juneteenth
High: 92 °F
Mostly Sunny
then Severe
Thunderstorms
Thursday Night
Low: 66 °F
Severe
Thunderstorms
then Chance
Showers
Friday
High: 83 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 70 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 11am. High near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers and thunderstorms after 2pm. Some of the storms could be severe. High near 92. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Low around 66. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Sunny, with a high near 83. Northwest wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 87.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 91.

Sunday Night

Mostly clear, with a low around 74.