Winter Storm Details

A complicated winter storm system will bring snow, blowing snow and even some freezing drizzle to the region today, tonight and tomorrow. A Winter Weather Advisory is in effect for much of eastern South Dakota, southwestern Minnesota and northwestern Iowa this evening into tomorrow. A Winter Storm Warning is in effect today and tonight for much of central and western South Dakota.

SNow will come in a couple of rounds. Round one has already developed across much of central and northern South Dakota this morning. Snow will continue to develop and move east throughout the day today. Wind gusts to 25 mph or higher will create areas of blowing snow at times. A second, heavier round of snow is likely tonight into tomorrow morning. In addition to the snow, parts of northwestern Iowa and southern Minnesota could get areas of freezing drizzle today and again tomorrow.

This is a large system that will affect everyone a little differently. Here’s a breakdown detailing the impact on specific parts of our region:  

Sioux Falls

WINTER WEATHER ADVISORY IS IN EFFECT FROM NOW THROUGH NOON TUESDAY

Light snow is likely throughout the day today. Accumulation amounts will be less than an inch through this afternoon. Parts of northwestern Iowa will likely have some patchy freezing drizzle throughout the day today. A second, heavier round of snow will roll in tonight. About 2 to 4 inches of accumulation as possible with the second round. Snow will end by noon tomorrow.

Aberdeen/Watertown

WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 PM THROUGH NOON TUESDAY

Light snow is likely today. Around an inch of accumulation as possible. North wind gusts to 25 mph will create areas of blowing snow especially in rural areas. A second, heavier round of snow is likely tonight. About 3 to 5 inches of accumulation as possible with this round. Overall snow accumulation will range from about 3 to 6 inches by the time the snow ends tomorrow morning.

Pierre/Central South Dakota

WINTER STORM WARNING IS IN EFFECT UNTIL 6 AM TUESDAY

Areas of snow and blowing snow are likely today. 2 to 4 inches of accumulation is possible by the end of the day today. A second, heavier round of snow is likely tonight. An additional 4 to 6 inches of accumulation is possible. Snow will end tomorrow morning with total accumulation of 6 to 10 inches.

Flash Flood Warning United StatesNational Weather Alerts

Flash Flood Warning
...flash Flood Warning Remains In Effect Until 3 Am Ast Early This Morning For Saint John And Saint Thomas... At 109 Am Ast, Doppler Radar Indicated Thunderstorms Producing Heavy Rain Across The Warned Area. Between 1 And 4 Inches Of Rain Have Fallen. Additional Rainfall Amounts Of 1 To 3 Inches Are Possible In The Warned Area. Flash Flooding Is Ongoing Or Expected To Begin ...Read More.
Effective: October 4, 2023 at 1:09amExpires: October 4, 2023 at 3:00amTarget Area: Saint John; Saint Thomas

Flash Flood Warning
...flash Flood Warning Remains In Effect Until 3 Am Ast Early This Morning For Saint Croix... At 108 Am Ast, Doppler Radar Indicated Thunderstorms Producing Heavy Rain Across The Warned Area. Between 1 And 3 Inches Of Rain Have Fallen. Additional Rainfall Amounts Of 1 To 3 Inches Are Possible In The Warned Area. Flash Flooding Is Ongoing Or Expected To Begin ...Read More.
Effective: October 4, 2023 at 1:08amExpires: October 4, 2023 at 3:00amTarget Area: Saint Croix

Flood Warning
...the Flood Warning Continues For The Following Rivers In Florida... St Johns River Near Astor Affecting Lake And Volusia Counties. .recent Heavy Rainfall Over And Upstream From Astor Combined With Northeast Winds Have Brought The Saint Johns River At Astor Into Moderate Flood. River Levels Are Forecast To Remain In Moderate Flood Between 3.0 And 3.1 Feet Through The Weekend. ...Read More.
Effective: October 3, 2023 at 9:22pmExpires: October 4, 2023 at 11:00amTarget Area: Lake; Volusia

Flood Warning
...the Flood Warning Continues For The Following Rivers In Florida... Peace River At Arcadia At Sr 70 Affecting Desoto County. For The Peace...including Bartow, Zolfo Springs At Sr 17, Arcadia At Sr 70...minor Flooding Is Forecast. ...flood Warning Remains In Effect Until Early Friday Morning... * What...minor Flooding Is Occurring And Minor Flooding Is Forecast. ...Read More.
Effective: October 3, 2023 at 8:33pmExpires: October 6, 2023 at 2:00amTarget Area: DeSoto

Flood Warning
...the Flood Warning Continues For The Following Rivers In Florida... Fisheating Creek Near Palmdale Affecting Glades County. For The Fisheating Creek...including Palmdale...minor Flooding Is Forecast. ...flood Warning Remains In Effect Until Further Notice... * What...minor Flooding Is Occurring And Minor Flooding Is Forecast. ...Read More.
Effective: October 3, 2023 at 12:05pmExpires: October 4, 2023 at 12:15pmTarget Area: Glades

Flood Warning
...flood Warning In Effect Until 145 Am Cdt Wednesday... * What...small Stream Flooding Caused By Excessive Rainfall Is Occurring. * Where...a Portion Of Western Texas, Including The Following County, Scurry. * When...until 145 Am Cdt. ...Read More.
Effective: October 3, 2023 at 10:36pmExpires: October 4, 2023 at 1:45amTarget Area: Scurry

Freeze Warning
...freeze Warning In Effect From 3 Am To 9 Am Mdt Wednesday... ...freeze Watch In Effect From Late Wednesday Night Through Thursday Morning... * What...for The Freeze Warning, Sub-freezing Temperatures As Low As 31 Expected. For The Freeze Watch, Sub-freezing Temperatures As Low As 29 Possible. ...Read More.
Effective: October 3, 2023 at 6:30pmExpires: October 4, 2023 at 9:00amTarget Area: Alamosa Vicinity, Central San Luis Valley Below 8500 Ft; Del Norte Vicinity, Northern San Luis Valley Below 8500 Ft; Southern San Luis Valley

Freeze Warning
...freeze Warning Remains In Effect From 3 Am To 8 Am Mdt Wednesday... * What...sub-freezing Temperatures As Low As 29 Expected. * Where...upper Rio Grande Valley. * When...from 3 Am To 8 Am Mdt Wednesday. * Impacts...frost And Freeze Conditions Could Kill Crops, Other ...Read More.
Effective: October 3, 2023 at 9:45pmExpires: October 4, 2023 at 8:00amTarget Area: Upper Rio Grande Valley

Freeze Warning
...freeze Warning In Effect From 3 Am To 9 Am Mdt Wednesday... * What...sub-freezing Temperatures As Low As 28 Degrees Expected. * Where...sanpete Valley And Southwest Utah. * When...from 3 Am To 9 Am Mdt Wednesday. * Impacts...frost And Freeze Conditions Will Kill Crops, Other Sensitive Vegetation And Possibly Damage Unprotected Outdoor ...Read More.
Effective: October 3, 2023 at 3:09pmExpires: October 4, 2023 at 9:00amTarget Area: Sanpete Valley; Southwest Utah