Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Chicago, IL Local Forecast Office

8NM NE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight

S 10kt
1ft
Low: 74 °F
Water: 72 °F
Thursday

S 15kt
2ft
High: 85 °F
Thursday
Night
SW 15kt
1-2ft
Low: 79 °F
Friday

SW 15kt
1-2ft
High: 85 °F
Friday
Night
SW 15kt
1-2ft
Low: 78 °F
Saturday

SW 10kt
1ft
High: 87 °F
Saturday
Night
Light Wind
1ft
Low: 73 °F
Sunday

N 10kt
1ft
High: 78 °F
Sunday
Night
NE 10kt
1ft
Low: 69 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:15 pm CDT Jul 17, 2019
Forecast Valid: 10pm CDT Jul 17, 2019-6pm CDT Jul 24, 2019

View Nearby Observations

Detailed Forecast

Tonight

SE wind 5 to 10 kt becoming S after midnight. A slight chance of showers and thunderstorms after 5am. Waves around 1 ft.

Thursday

S wind 10 to 15 kt. Showers and thunderstorms likely, mainly before 10am. Waves around 2 ft.

Thursday Night

SW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 to 2 ft.

Friday

SW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves 1 to 2 ft.

Friday Night

SW wind 10 to 15 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 2 ft.

Saturday

SW wind 5 to 10 kt becoming W in the afternoon. A chance of showers and thunderstorms after 1pm. Waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves around 1 ft.

Sunday

E wind 5 to 10 kt becoming N in the afternoon. Winds could gust as high as 15 kt. A chance of showers and thunderstorms. Waves around 1 ft.

Sunday Night

NE wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms. Waves around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.