Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 72 °F
ESE 10kt
1ft
Tonight
Low: 71 °F
SSE 20kt
2-3ft

Small Craft Advisory
Tuesday
High: 79 °F
SSW 15kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 68 °F
NNE 10kt
< 1ft
Wednesday
High: 72 °F
NE 10kt
2ft
Wednesday Night
Low: 70 °F
NE 10kt
1ft
Thursday
High: 74 °F
N 10kt
1ft
Thursday Night
Low: 69 °F
NNE 10kt
1-2ft
Friday
High: 76 °F
E 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:06 am CDT Sep 14, 2026
Forecast Valid: 1pm CDT Sep 14, 2026-6pm CDT Sep 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves around 1 ft.

Tonight

SSE wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms after 4am. Waves 2 to 3 ft.

Tuesday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. Waves 1 ft or less.

Tuesday Night

NNW wind 5 to 10 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Wednesday

NE wind around 10 kt. Showers likely, with thunderstorms also possible after 4pm. Waves around 2 ft.

Wednesday Night

NE wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Waves around 1 ft.

Thursday

NNW wind 5 to 10 kt becoming NNE in the morning. Showers likely, mainly before 1pm. Waves around 1 ft.

Thursday Night

NNE wind around 10 kt. Mostly cloudy. Waves 1 to 2 ft.

Friday

E wind around 10 kt. A chance of showers. 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.