National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
Read More...

Hazardous Weather Conditions

7NM SSE Evanston IL

Marine Point Forecast [NOTICE]

Overnight

Slight Chc Thunderstorms

Light Wind
< 1ft

Low: 71 °F

Saturday

Chance Thunderstorms

ENE 10kt
< 1ft

High: 78 °F

Saturday
Night

Slight Chc Thunderstorms

E 10kt
< 1ft

Low: 74 °F

Sunday

Partly Sunny

SE 10kt
< 1ft

High: 83 °F

Sunday
Night

Partly Cloudy

Light Wind
< 1ft

Low: 73 °F

Monday

Slight Chc Thunderstorms

Light Wind
< 1ft

High: 85 °F

Monday
Night

Chance Thunderstorms

Light Wind
< 1ft

Low: 72 °F

Tuesday

Chance Thunderstorms

Light Wind
< 1ft

High: 82 °F

Tuesday
Night

Chance Thunderstorms

S 10kt
< 1ft

Low: 70 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:02 am CDT Aug 23, 2014
Forecast Valid: 3am CDT Aug 23, 2014-6pm CDT Aug 29, 2014

View Nearby Observations

Detailed Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

  • Overnight Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Patchy fog. Waves 1 ft or less.
  • Saturday ENE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 9am. Waves 1 ft or less.
  • Saturday Night ENE wind 5 to 10 kt becoming ESE after midnight. A slight chance of showers and thunderstorms. Waves 1 ft or less.
  • Sunday SE wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
  • Sunday Night Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
  • Monday Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Waves 1 ft or less.
  • Monday Night Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Tuesday Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Tuesday Night ESE wind 5 to 10 kt becoming S after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.
*Notices:
  1. 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.
  2. 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.