National Weather Service United States Department of Commerce

Severe weather possible for parts of northern Plains and mid/upper Mississippi River Valley

Severe thunderstorms are expected across portions of the northern Plains and upper Mississippi Valley Wednesday. Large hail and damaging winds will be the main threats with these storms, but a tornado or two could occur as well. Other strong to severe storms may occur from late afternoon into the overnight hours from the middle Mississippi Valley into the lower Ohio Valley.
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4NM SE Sturgeon Bay WI

Marine Point Forecast [NOTICE]

Overnight

Patchy Fog

Light Wind
< 1ft

Low: 60 °F

Wednesday

Patchy Fog

NW 6ktWinds Decreasing
< 1ft

High: 72 °F

Wednesday
Night

Mostly Cloudy

Light Wind
< 1ft

Low: 61 °F

Thursday

Chance Thunderstorms

Winds IncreasingESE 9kt
< 1ft

High: 70 °F

Thursday
Night

Thunderstorms Likely

ESE 8ktWinds Decreasing
< 1ft

Low: 64 °F

Friday

Chance Thunderstorms

Winds IncreasingENE 6kt
< 1ft

High: 72 °F

Friday
Night

Chance Thunderstorms

E 6ktWinds Decreasing
< 1ft

Low: 65 °F

Saturday

Chance Thunderstorms

SW 8kt
< 1ft

High: 73 °F

Saturday
Night

Mostly Cloudy

ESE 7kt
< 1ft

Low: 64 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:11 am CDT Aug 20, 2014
Forecast Valid: 4am CDT Aug 20, 2014-6pm CDT Aug 26, 2014

View Nearby Observations

Detailed Forecast

  • Overnight Variable winds 5 kt or less. Patchy fog. Waves 1 ft or less.
  • Wednesday NW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Patchy fog before 10am. Waves 1 ft or less.
  • Wednesday Night Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
  • Thursday Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Thursday Night ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Showers and thunderstorms likely, mainly before 1am. Waves 1 ft or less.
  • Friday Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Friday Night E wind around 6 kt becoming variable and less than 5 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Saturday W wind around 8 kt becoming ESE in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.
  • Saturday Night ESE wind around 7 kt becoming NW after midnight. Winds could gust as high as 25 kt. Mostly cloudy. 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.