Storm Mode

Winter: Illinois, Indiana, Michigan, Ohio and Wisconsin

Winter warnings, watches and advisories, and the forecasts for them · area: IL, IN, MI, OH, WI

UTC

11:37 PM EDT Indianapolis

Map

  • Freeze Warning 8
  • Freeze Watch 8
  • Frost Advisory 11

NWS’s polygons as issued, or the zones a zone-issued alert names; SPC’s watches by their counties. Checked . Data: NOAA/NWS, NOAA/SPC.

In force in this area 27

  1. Freeze Warning88 not yet in effect · until 14:00Z
  2. Freeze Watch82 new · 8 not yet in effect · until 18 Oct 13:00Z
  3. Frost Advisory115 new · 11 not yet in effect · until 14:00Z
Every alert in this area, most urgent first
  1. Freeze WarningMidland; Bay; Saginaw; Tuscola; Shiawassee; Genesee; LapeerFrom · until · NWS Detroit/Pontiac MI
  2. Freeze WarningOceana; Newaygo; Mecosta; Isabella; Muskegon; Montcalm; Gratiot; Ottawa; Kent; Ionia; ClintonFrom · until · NWS Grand Rapids MI
  3. Freeze WarningWinnebago; Boone; McHenry; Ogle; Lee; De Kalb; KaneFrom · until · NWS Chicago IL
  4. Freeze WarningMitchell; Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton; Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Taylor; Clark; Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; GrantFrom · until · NWS La Crosse WI
  5. Freeze WarningBuchanan; Delaware; Dubuque; Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Keokuk; Washington; Jefferson; Jo Daviess; Stephenson; Carroll; Whiteside; Rock IslandFrom · until · NWS Quad Cities IA IL
  6. Freeze WarningMenominee; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto CountyFrom · until · NWS Green Bay WI
  7. Freeze WarningMarquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Iowa; Dane; Jefferson; Waukesha; Lafayette; Green; Rock; WalworthFrom · until · NWS Milwaukee/Sullivan WI
  8. Freeze WarningHennepin; Ramsey; Douglas; Todd; Morrison; Mille Lacs; Kanabec; Stevens; Pope; Stearns; Benton; Sherburne; Isanti; Chisago; Lac Qui Parle; Swift; Chippewa; Kandiyohi; Meeker; Wright; Anoka; Washington; Yellow Medicine; Renville; McLeod; Sibley; Carver; Scott; Dakota; Redwood; Brown; Nicollet; Le Sueur; Rice; Goodhue; Watonwan; Blue Earth; Waseca; Steele; Martin; Faribault; Freeborn; Polk; Barron; Rusk; St. Croix; Pierce; Dunn; Pepin; Chippewa; Eau ClaireFrom · until · NWS Twin Cities/Chanhassen MN
  9. Freeze WatchWayne; Fayette; Union; Franklin; Ripley; Dearborn; Ohio; Switzerland; Carroll; Gallatin; Boone; Kenton; Campbell; Owen; Grant; Pendleton; Bracken; Robertson; Mason; Lewis; Hardin; Mercer; Auglaize; Darke; Shelby; Logan; Union; Delaware; Miami; Champaign; Clark; Madison; Franklin; Licking; Preble; Montgomery; Greene; Fayette; Pickaway; Fairfield; Butler; Warren; Clinton; Ross; Hocking; Hamilton; Clermont; Brown; Highland; Adams; Pike; SciotoFrom · until · NWS Wilmington OH
  10. Freeze WatchGreenup; Carter; Boyd; Lawrence; Gallia; Lawrence; Wayne; Cabell; Mason; Jackson; Lincoln; Putnam; Kanawha; Roane; Mingo; Logan; BooneFrom · until · NWS Charleston WV
  11. Freeze WatchPerry; Morgan; Athens; Washington; Jackson; Vinton; Meigs; Dickenson; Buchanan; Wood; Pleasants; Tyler; Wirt; Calhoun; Ritchie; Doddridge; Clay; Braxton; Gilmer; Lewis; Harrison; Taylor; McDowell; Wyoming; Upshur; Barbour; Northwest Raleigh; Southeast Raleigh; Northwest Fayette; Southeast Fayette; Northwest Nicholas; Southeast Nicholas; Northwest Webster; Southeast Webster; Northwest Pocahontas; Southeast Pocahontas; Northwest Randolph; Southeast RandolphFrom · until · NWS Charleston WV
  12. Freeze WatchTuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson; Beaver; Allegheny; Armstrong; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern TuckerFrom · until · NWS Pittsburgh PA
  13. Freeze WatchLucas; Wood; Ottawa; Sandusky; Erie; Lorain; Cuyahoga; Geauga; Ashtabula Inland; Hancock; Seneca; Huron; Medina; Summit; Portage; Trumbull; Wyandot; Crawford; Richland; Ashland; Wayne; Stark; Mahoning; Marion; Morrow; Holmes; Knox; Southern Erie; CrawfordFrom · until · NWS Cleveland OH
  14. Freeze WatchClinton; Howard; Boone; Tipton; Hamilton; Madison; Delaware; Randolph; Hancock; Henry; Shelby; Rush; DecaturFrom · until · NWS Indianapolis IN
  15. Freeze WatchLagrange; Steuben; Noble; De Kalb; Whitley; Northern Kosciusko; Southern KosciuskoFrom · until · NWS Northern Indiana
  16. Freeze WatchAllen; Miami; Wabash; Huntington; Wells; Adams; Grant; Blackford; Jay; Williams; Fulton; Defiance; Henry; Paulding; Putnam; Van Wert; AllenFrom · until · NWS Northern Indiana
  17. Frost AdvisoryHuron; Sanilac; St. Clair; Livingston; Oakland; Macomb; Washtenaw; Wayne; Lenawee; MonroeFrom · until · NWS Detroit/Pontiac MI
  18. Frost AdvisoryGreene; Macoupin; Montgomery; Adams; Brown; Pike; Calhoun; Jersey; Knox; Lewis; Shelby; Marion; Monroe; Ralls; Pike; Audrain; LincolnFrom · until · NWS St Louis MO
  19. Frost AdvisoryKnox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; Schuyler; Mason; Logan; Cass; Menard; Scott; Morgan; Sangamon; ChristianFrom · until · NWS Lincoln IL
  20. Frost AdvisoryOzaukee; Milwaukee; Racine; KenoshaFrom · until · NWS Milwaukee/Sullivan WI
  21. Frost AdvisoryLouisa; Henry; Des Moines; Van Buren; Lee; Henry; Bureau; Putnam; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; ClarkFrom · until · NWS Quad Cities IA IL
  22. Frost AdvisoryAllegan; Barry; Eaton; Ingham; Van Buren; Kalamazoo; Calhoun; JacksonFrom · until · NWS Grand Rapids MI
  23. Frost AdvisoryDoorFrom · until · NWS Green Bay WI
  24. Frost AdvisoryElkhart; Marshall; Eastern St. Joseph; Western St. Joseph; Cass; St. Joseph; Branch; HillsdaleFrom · until · NWS Northern Indiana
  25. Frost AdvisoryLagrange; Steuben; Noble; De Kalb; Whitley; Northern Kosciusko; Southern KosciuskoFrom · until · NWS Northern Indiana
  26. Frost AdvisoryLakeFrom · until · NWS Chicago IL
  27. Frost AdvisoryLa Salle; KendallFrom · until · NWS Chicago IL

Most urgent first, by the Briefing’s ranking. Checked .

Spotlight: Winter Storm Severity Index

1 of 7

Winter Storm Severity Index

WPC: “WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings.”

  • Winter Weather Area
  • Minor Impacts
  • Moderate Impacts
  • Major Impacts
  • Extreme Impacts

Highest in this area, by day and by cause

Day 1
nothing drawn
Day 2
nothing drawn
Day 3
nothing drawn
Snow amount, Days 1–3
nothing drawn
Snow load, Days 1–3
nothing drawn
Ice, Days 1–3
nothing drawn
Blowing snow, Days 1–3
nothing drawn

Each day and cause on the Winter tab, with its own issue time

WPC’s WSSI, overall impact, Days 1–3, valid to , issued . WPC issues each day and cause on its own clock. Not a warning, and not a chance. Data: NOAA/NWS/WPC.

Chance of Moderate impacts or worse, Day 1

WPC: “WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings.”

  • 5–10%
  • 10–20%
  • 20–30%
  • 30–40%
  • 40–50%
  • 50–60%
  • 60–70%
  • 70–80%
  • 80–90%
  • 90–95%
  • 95% or more

Each level and day on the Winter tab

WPC’s WSSI-P, the 24 hours to , WPC’s forecast from . Each band runs to the next. Data: NOAA/NWS/WPC.

Chance of at least 4 inches of snow, Day 1

WPC gives no chance of 4 inches of snow or more in this area over the next three days, so Day 1’s 4 inches is shown.

  • Slight: at least 10%
  • Moderate: at least 40%
  • High: at least 70%

Every day and amount on the Winter tab

WPC’s Probabilistic Winter Precipitation Forecast, to , issued . Outlines, as WPC draws them. Data: NOAA/NWS/WPC.

Winter watches, warnings and advisories

  • Freeze Warning 8 8 not yet in effect · until · NWS Chicago IL, NWS Detroit/Pontiac MI, NWS Grand Rapids MI, 5 more offices
  • Freeze Watch 8 8 not yet in effect · until · NWS Charleston WV, NWS Cleveland OH, NWS Indianapolis IN, 3 more offices
  • Frost Advisory 11 11 not yet in effect · until · NWS Chicago IL, NWS Detroit/Pontiac MI, NWS Grand Rapids MI, 6 more offices

NWS’s winter and cold alerts in force in the area, by event as issued, each counted once, with the offices that issued them and the latest end. Data: NOAA/NWS.

Snow on the ground

NOHRSC snow depth and snow water equivalent use the source’s original pictures and legends, with qualified footprint times. Open the cached source page for availability and retained history. This wall has no snow picture to rotate; missing imagery does not mean no snow.

NOHRSC snow analysis and retained pictures

Data: NOAA/NWS/NOHRSC. Snow analysis, not a measurement at a place.

WPC’s heavy snow and icing discussion

The whole discussion

Issued , for to . WPC’s words, as written. Data: NOAA/NWS/WPC.

Radar, winter preset

The Radar page’s winter preset over the area: HRDPS forecast snow with NWS’s warnings on top, loaded by your browser. A forecast, labelled as one there.

Open the radar

Live tiles; the radar keeps no last-good copy.

What changed, last 60 minutes

since , when this server began watching this area

Nothing has changed since 03:36Z.

The products’ own words and times, and what is no longer in force since the last read. Never written by AI.