@NWSMilwaukee

Official X account for the National Weather Service in Milwaukee. Details: https://xitter.cf/t.co/s5GKP27ozy

 Sullivan, WI
weather.gov/mkx
Joined June 2012
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Decreasing winds overnight with clear skies will allow for a brief cold air mass to drop temperatures into the upper 20s and low 30s for much of southern WI. Freeze Warning in effect tonight for much of southern WI with areas closer to the lake in a Frost Advisory. #wiwx
The image on the left is an image of the forecast low temperatures tonight while the image on the right is of the Freeze Warning and Frost Advisory.

ALT The image on the left is an image of the forecast low temperatures tonight while the image on the right is of the Freeze Warning and Frost Advisory.

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Decreasing winds overnight with clear skies will allow for a brief cold air mass to drop temperatures into the upper 20s and low 30s for much of southern WI. Freeze Warning in effect tonight for much of southern WI with areas closer to the lake in a Frost Advisory. #wiwx
The image on the left is an image of the forecast low temperatures tonight while the image on the right is of the Freeze Warning and Frost Advisory.

ALT The image on the left is an image of the forecast low temperatures tonight while the image on the right is of the Freeze Warning and Frost Advisory.

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Feeling more like fall for the end of the week with blustery conditions & colder temps. Looking at frost/freeze conditions Friday night into Saturday morning & an Freeze Watch for much of southern WI. #wiwx
Three hourly tables of temperatures and winds gusts for southern WI

ALT Three hourly tables of temperatures and winds gusts for southern WI

Friday night to Saturday morning low temps in the upper 20s to lower 30s. Freeze Watch for inland areas of southern WI.

ALT Friday night to Saturday morning low temps in the upper 20s to lower 30s. Freeze Watch for inland areas of southern WI.

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Widespread, steady rain gradually tapers off this evening then scattered showers to redevelop thru Friday morning. #wiwx
Hourly precipitation chances table highlighting the increase chances this evening and lull overnight and increasing again for Friday morning.

ALT Hourly precipitation chances table highlighting the increase chances this evening and lull overnight and increasing again for Friday morning.

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(1/2) Widespread soaking rain will move in today. Peak potential for rain will be between 10 AM and 8 PM. Apart from a few rumbles of thunder, severe weather and flooding concerns are low. Beneficial accumulations are expected across all of southern Wisconsin. #swiwx #wiwx
Graphicast explaining the widespread rain chances across southern Wisconsin today. Text boxes explaining latest forecast thinking are shown on the left, with a map of expected rainfall totals shown on the right hand side of the graphic.

ALT Graphicast explaining the widespread rain chances across southern Wisconsin today. Text boxes explaining latest forecast thinking are shown on the left, with a map of expected rainfall totals shown on the right hand side of the graphic.

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(2/2) Northwest winds will become gusty late Friday morning into Friday evening. Secure loose outdoor objects and furniture before heading out for the day! #swiwx #wiwx
Graphicast explaining gusty wind potential on Friday. Key forecast points are shown on the left, with an hourly forecast table of wind gusts around southern Wisconsin shown on the right.

ALT Graphicast explaining gusty wind potential on Friday. Key forecast points are shown on the left, with an hourly forecast table of wind gusts around southern Wisconsin shown on the right.

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Rain is expected to spread into southern Wisconsin through the late morning and into the afternoon on Thursday. Rain is then likely to linger into the evening hours with around a half inch of rainfall possible by the time rain rates taper off Thursday night. #wiwx
Graphic showing a table of rain probability and timing. The best window for rain is shown to be from 2pm to 11pm tomorrow. Highs will be in the mid to upper 50s.

ALT Graphic showing a table of rain probability and timing. The best window for rain is shown to be from 2pm to 11pm tomorrow. Highs will be in the mid to upper 50s.

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Showers and storms from near Darlington to Waterloo will continue east, moving across the rest of far southern WI. The main hazards will be hail to one half inch in diameter and frequent cloud-to-ground lightning. Go indoors if storms approach your location! #swiwx #wiwx
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A special weather statement has been issued for Monroe WI, Brodhead WI and Albany WI until 8:30 PM CDT
This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:30 PM CDT. The statement includes Monroe WI, Brodhead WI and Albany WI. A STRONG THUNDERSTORM WILL IMPACT SOUTHERN GREEN COUNTY THROUGH 830 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:30 PM CDT. The statement includes Monroe WI, Brodhead WI and Albany WI. A STRONG THUNDERSTORM WILL IMPACT SOUTHERN GREEN COUNTY THROUGH 830 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

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A special weather statement has been issued for Darlington WI, Argyle WI and South Wayne WI until 8:00 PM CDT
This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:00 PM CDT. The statement includes Darlington WI, Argyle WI and South Wayne WI. A STRONG THUNDERSTORM WILL IMPACT CENTRAL LAFAYETTE COUNTY THROUGH 800 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:00 PM CDT. The statement includes Darlington WI, Argyle WI and South Wayne WI. A STRONG THUNDERSTORM WILL IMPACT CENTRAL LAFAYETTE COUNTY THROUGH 800 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

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A special weather statement has been issued for Oregon WI, Belleville WI and New Glarus WI until 7:30 PM CDT
This graphic displays a special weather statement plotted on a map. The statement is in effect until 7:30 PM CDT. The statement includes Oregon WI, Belleville WI and New Glarus WI. A STRONG THUNDERSTORM WILL IMPACT NORTHERN GREEN AND SOUTHWESTERN DANE COUNTIES THROUGH 730 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 7:30 PM CDT. The statement includes Oregon WI, Belleville WI and New Glarus WI. A STRONG THUNDERSTORM WILL IMPACT NORTHERN GREEN AND SOUTHWESTERN DANE COUNTIES THROUGH 730 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

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A special weather statement has been issued for Mineral Point WI, Blanchardville WI and Hollandale WI until 7:00 PM CDT
This graphic displays a special weather statement plotted on a map. The statement is in effect until 7:00 PM CDT. The statement includes Mineral Point WI, Blanchardville WI and Hollandale WI. A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LAFAYETTE AND SOUTHEASTERN IOWA COUNTIES THROUGH 700 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 7:00 PM CDT. The statement includes Mineral Point WI, Blanchardville WI and Hollandale WI. A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LAFAYETTE AND SOUTHEASTERN IOWA COUNTIES THROUGH 700 PM CDT. The threats associated with this storm are wind gusts up to 30 MPH and half inch sized hail. Seek shelter in a sturdy structure until the storm passes.

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An area of showers and storms will move east into Madison and areas to the south of there into this evening. The main hazards are some cloud-to-ground lightning and gusty winds to 40 MPH. Go indoors if storms approach your location! #swiwx #wiwx
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Dense fog has developed over eastern Sheboygan County early this morning. A Dense Fog Advisory is now in effect until 6 AM. Slow down & allow for extra following distance if on the roads!
Graphicast explaining the Dense Fog Advisory in effect in Sheboygan County until 6 AM this morning.

ALT Graphicast explaining the Dense Fog Advisory in effect in Sheboygan County until 6 AM this morning.

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Widely scattered showers & t-storms are possible this afternoon and evening, particularly across the northeast half of the area. Severe weather is not expected, though some storms could produce brief heavy downpours and small hail. Move indoors if a storm approaches your area.
Graphicast explaining hit and miss shower and thunderstorm chances across the northeast half of the area later today. Table showing hourly precip chances is shown on left, with a map of highlighting the northeast half of the area for best precip chances shown on the right. Key forecast messages are typed out in a text box at bottom right.

ALT Graphicast explaining hit and miss shower and thunderstorm chances across the northeast half of the area later today. Table showing hourly precip chances is shown on left, with a map of highlighting the northeast half of the area for best precip chances shown on the right. Key forecast messages are typed out in a text box at bottom right.

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Very mild weather will continue over southern WI through Tuesday with near record highs in the 80s on Columbus Day. There are small chances for showers and thunderstorms over eastern WI Monday afternoon and evening. #swiwx #wiwx
Graphicast showing the four day weather forecast for southern Wisconsin. Weather forecasts for tonight through Thursday. High and low temperatures are shown for each day, along with representative weather icons & descriptions. Fall-like image of fallen leaves around a dog are shown.

ALT Graphicast showing the four day weather forecast for southern Wisconsin. Weather forecasts for tonight through Thursday. High and low temperatures are shown for each day, along with representative weather icons & descriptions. Fall-like image of fallen leaves around a dog are shown.

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Here are the monthly summary statistics for September 2026. #wiwx #swiwx
A table decorated with Milwaukee and Madison city skylines displays the September 2026 summary weather statistics for each city.

ALT A table decorated with Milwaukee and Madison city skylines displays the September 2026 summary weather statistics for each city.

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Radar Update: A swath of moderate to heavy rain is expected to track over southern Wisconsin this morning, with 1-2 inches of rain, and locally higher amounts to 3 inches, possible along a line from Lone Rock to Port Washington.
Graphic showing radar from 400am with rain in southern Wisconsin. A swath is highlighted over south central WI where heavy rain may occur.

ALT Graphic showing radar from 400am with rain in southern Wisconsin. A swath is highlighted over south central WI where heavy rain may occur.

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A band of moderate/heavy rain is expected to develop this morning and continue through the morning hours from SW WI to the I-94 corridor. Rates up to 1”/hr possible; areas that see these rates for multiple hours may see local flash/urban and small stream flooding. #wiwx #swiwx
A timetable of heaviest rainfall rates of 0.5 to 1 inch per hour is shown, with southwestern Wisconsin between 3 and 7 AM, south-central Wisconsin between 4 and 8 AM, and southeastern Wisconsin between 6 and 11 AM. A map is shown, with 0.25 to 1 inch accumulations in central Wisconsin, 1 to 2 inches along and south of the I-94 corridor, and 1 to 3 inches in southwestern Wisconsin. An area from Waukesha to Madison southwestward is circled as the highest rainfall rate potential.

ALT A timetable of heaviest rainfall rates of 0.5 to 1 inch per hour is shown, with southwestern Wisconsin between 3 and 7 AM, south-central Wisconsin between 4 and 8 AM, and southeastern Wisconsin between 6 and 11 AM. A map is shown, with 0.25 to 1 inch accumulations in central Wisconsin, 1 to 2 inches along and south of the I-94 corridor, and 1 to 3 inches in southwestern Wisconsin. An area from Waukesha to Madison southwestward is circled as the highest rainfall rate potential.

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A band of moderate/heavy rain is expected to develop this morning and continue through the morning hours from SW WI to the I-94 corridor. Rates up to 1”/hr possible; areas that see these rates for multiple hours may see local flash/urban and small stream flooding. #wiwx #swiwx
A timetable of heaviest rainfall rates of 0.5 to 1 inch per hour is shown, with southwestern Wisconsin between 3 and 7 AM, south-central Wisconsin between 4 and 8 AM, and southeastern Wisconsin between 6 and 11 AM. A map is shown, with 0.25 to 1 inch accumulations in central Wisconsin, 1 to 2 inches along and south of the I-94 corridor, and 1 to 3 inches in southwestern Wisconsin. An area from Waukesha to Madison southwestward is circled as the highest rainfall rate potential.

ALT A timetable of heaviest rainfall rates of 0.5 to 1 inch per hour is shown, with southwestern Wisconsin between 3 and 7 AM, south-central Wisconsin between 4 and 8 AM, and southeastern Wisconsin between 6 and 11 AM. A map is shown, with 0.25 to 1 inch accumulations in central Wisconsin, 1 to 2 inches along and south of the I-94 corridor, and 1 to 3 inches in southwestern Wisconsin. An area from Waukesha to Madison southwestward is circled as the highest rainfall rate potential.

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