Overview
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A powerful early spring storm brought a variety of weather to the area the weekend of March 14-15, 2026. The early morning of March 14th saw a band of light snow lift north, but the main impacts were felt from Saturday evening through Sunday night. |
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Wind
...HIGHEST WIND REPORTS DURING MARCH 14-15 2026 BLIZZARD... Location Speed Time/Date Provider ...Iowa... ...Buena Vista County... Storm Lake Airport 58 MPH 0415 PM 03/15 AWOS Storm Lake 53 MPH 0720 PM 03/15 MESOWEST ...Cherokee County... Cherokee Municipal Airport 49 MPH 0705 PM 03/15 AWOS ...Clay County... Spencer Municipal Airport 60 MPH 0725 PM 03/15 ASOS Spencer 45 MPH 1030 PM 03/15 MESOWEST ...Dickinson County... Lake Park 48 MPH 1100 PM 03/15 CWOP Spirit Lake 44 MPH 0911 PM 03/15 CWOP ...Ida County... Battle Creek 55 MPH 0705 PM 03/15 DAVIS ...Lyon County... Larchwood 38 MPH 0655 PM 03/15 DAVIS ...OBrien County... Sheldon Airport 53 MPH 0715 PM 03/15 AWOS ...Plymouth County... Le Mars Airport 49 MPH 0535 PM 03/15 AWOS Sioux City 45 MPH 1115 PM 03/15 DAVIS Remsen 38 MPH 0545 PM 03/15 DAVIS ...Sioux County... 1 NE Maurice 56 MPH 0215 PM 03/15 AWOS Hawarden 49 MPH 0540 PM 03/15 CWOP ...Woodbury County... Sioux Gateway Airport 59 MPH 0613 PM 03/15 ASOS Moville 48 MPH 0545 PM 03/15 MESOWEST Sioux City 47 MPH 0605 PM 03/15 MESOWEST ...Minnesota... ...Cottonwood County... T.h.60 - Mountain Lake - Mp 60 MPH 0715 PM 03/15 MESOWEST Windom Municipal Airport 56 MPH 0815 PM 03/15 AWOS T.h.71 - Jeffers - Mp 43 55 MPH 0645 PM 03/15 MESOWEST ...Jackson County... I-90 - Lakefield - Mp 67 57 MPH 0730 PM 03/15 MESOWEST Jackson Airport 56 MPH 0815 PM 03/15 AWOS Lakefield 49 MPH 0648 PM 03/15 CWOP ...Lincoln County... U.s.14 - Lake Benton - Mp 7 53 MPH 0815 PM 03/15 MESOWEST T.h.19 - Hendricks - Mp 2 51 MPH 0615 PM 03/15 MESOWEST ...Lyon County... U.s.14 - Florence - Mp 21.2 64 MPH 0620 PM 03/15 MESOWEST Marshall Municipal Airport 53 MPH 0622 PM 03/15 AWOS T.h.68 - Taunton - Mp 22.9 52 MPH 0725 PM 03/15 MESOWEST Tracy Airport 49 MPH 0515 PM 03/15 AWOS Marshall 40 MPH 1008 PM 03/15 CWOP ...Murray County... T.h.30 - Dovray - Mp 49 53 MPH 0800 PM 03/15 MESOWEST Slayton Municipal Airport 45 MPH 0733 PM 03/15 AWOS ...Nobles County... I-90 - Rushmore - Mp 35 56 MPH 0510 PM 03/15 MESOWEST Worthington Airport 56 MPH 0701 PM 03/15 AWOS Reading 40 MPH 0735 PM 03/15 DAVIS Reading 38 MPH 0135 PM 03/15 DAVIS ...Pipestone County... U.s.75 - Trosky - Mp 30.3 60 MPH 0710 PM 03/15 MESOWEST Redstone RAWS 46 MPH 0621 PM 03/15 RAWS ...Rock County... I-90 - Beaver Creek Mp 4 58 MPH 0510 PM 03/15 MESOWEST I-90 - Magnolia - Mp 21.6 54 MPH 0820 PM 03/15 MESOWEST Luverne Airport 45 MPH 0615 PM 03/15 AWOS Luverne 43 MPH 0545 PM 03/15 CWOP ...Nebraska... ...Dakota County... D3-Rwis 35 48.65 50 MPH 0607 PM 03/15 MESOWEST South Sioux City 45 MPH 1000 PM 03/15 CWOP ...Dixon County... Concord 2E 50 MPH 0615 PM 03/15 NE-MESO ...South Dakota... ...Aurora County... White Lake (SD Mesonet) 44 MPH 0420 PM 03/15 SDSMESO ...Beadle County... SD RWIS WOLSEY 44 MPH 0423 PM 03/15 SDDOT ...Bon Homme County... SD RWIS Tyndall 54 MPH 0209 PM 03/15 SDDOT Avon 3E (SD Mesonet) 50 MPH 1155 AM 03/15 SDSMESO Scotland 41 MPH 0245 PM 03/15 DAVIS ...Brookings County... Brookings Municipal Airport 46 MPH 0339 PM 03/15 AWOS Volga (SD Mesonet) 46 MPH 0730 PM 03/15 SDSMESO Brookings 2NE (SD Mesonet) 42 MPH 0605 PM 03/15 SDSMESO ...Brule County... SD RWIS Kimball 53 MPH 0400 PM 03/15 SDDOT Academy 3NNW (SD Mesonet) 48 MPH 1220 PM 03/15 SDSMESO Chamberlain Municipal Airpor 40 MPH 0255 PM 03/15 ASOS ...Charles Mix County... Lake Andes RAWS 53 MPH 0241 PM 03/15 RAWS SD RWIS Platte-Winner Bridge 53 MPH 0439 PM 03/15 SDDOT SD RWIS WAGNER 51 MPH 1138 AM 03/15 SDDOT Wagner 49 MPH 0324 PM 03/15 AWOS ...Clay County... Beresford 7 WSW (SD Mesonet) 50 MPH 0140 PM 03/15 SDSMESO Vermillion 49 MPH 0655 PM 03/15 AWOS Wakonda 44 MPH 0225 PM 03/15 DAVIS ...Davison County... Mitchell Municipal Airport 47 MPH 1050 AM 03/15 ASOS Mount Vernon (SD Mesonet) 47 MPH 0225 PM 03/15 SDSMESO ...Douglas County... Armour 42 MPH 0440 PM 03/15 DAVIS ...Gregory County... SD RWIS Ft. Randall Dam 59 MPH 0137 PM 03/15 SDDOT Gregory 7SSW (SD Mesonet) 47 MPH 0355 PM 03/15 SDSMESO Gregory 16N (SD Mesonet) 46 MPH 0405 PM 03/15 SDSMESO Butte 8NNW 42 MPH 0200 PM 03/15 CWOP Herrick 38 MPH 0205 PM 03/15 DAVIS ...Hanson County... SD RWIS Alexandria 52 MPH 0254 PM 03/15 SDDOT ...Hutchinson County... SD RWIS Freeman 51 MPH 0329 PM 03/15 SDDOT SD RWIS Tripp 51 MPH 0438 PM 03/15 SDDOT Menno 7ESE (SD Mesonet) 51 MPH 0530 PM 03/15 SDSMESO Parkston (SD Mesonet) 42 MPH 0200 PM 03/15 SDSMESO ...Jerauld County... SD RWIS Lane 48 MPH 0112 PM 03/15 SDDOT 2 ESE Wessington Springs 38 MPH 0455 PM 03/15 AWOS ...Kingsbury County... De Smet 7N (SD Mesonet) 47 MPH 0545 PM 03/15 SDSMESO ...Lake County... Madison Airport 54 MPH 1115 AM 03/15 AWOS Madison 6S (SD Mesonet) 50 MPH 1105 AM 03/15 SDSMESO SD RWIS MADISON 50 MPH 0651 PM 03/15 SDDOT ...Lincoln County... SD RWIS Davis 54 MPH 1157 AM 03/15 SDDOT HARRISBURG 39 MPH 1144 AM 03/15 CWOP Tea 39 MPH 0855 PM 03/15 AWOS ...McCook County... SD RWIS Montrose 55 MPH 1238 PM 03/15 SDDOT SD RWIS STANLEY CORNER 55 MPH 0450 PM 03/15 SDDOT Salem 39 MPH 0305 PM 03/15 DAVIS Canova 39 MPH 0325 PM 03/15 CWOP Salem 39 MPH 0345 PM 03/15 DAVIS Bridgewater 38 MPH 0315 PM 03/15 DAVIS ...Miner County... Carthage 3E (SD Mesonet) 47 MPH 0335 PM 03/15 SDSMESO SD RWIS Howard 46 MPH 0250 PM 03/15 SDDOT ...Minnehaha County... SD RWIS DELL RAPIDS 59 MPH 1239 PM 03/15 SDDOT Sioux Falls Airport 53 MPH 1222 PM 03/15 ASOS Baltic 3 SE (SD Mesonet) 45 MPH 0130 PM 03/15 SDSMESO Sioux Falls 10 WSW (SD Meson 42 MPH 1255 PM 03/15 SDSMESO Sioux Falls (SD Mesonet) 41 MPH 1140 AM 03/15 SDSMESO Colton 2 ESE (SD Mesonet) 41 MPH 1205 PM 03/15 SDSMESO ...Moody County... Flandreau 3 NNE (SD Mesonet) 51 MPH 1135 AM 03/15 SDSMESO ...Sanborn County... SD RWIS ALPENA 48 MPH 0544 PM 03/15 SDDOT SD RWIS Forestburg 48 MPH 0609 PM 03/15 SDDOT Woonsocket 4NNW (SD Mesonet) 44 MPH 0230 PM 03/15 SDSMESO Letcher 2ENE (SD Mesonet) 43 MPH 0455 PM 03/15 SDSMESO ...Turner County... SD RWIS Parker 56 MPH 0104 PM 03/15 SDDOT SD RWIS IRENE 51 MPH 1237 PM 03/15 SDDOT Parker 7NNE (SD Mesonet) 51 MPH 0750 PM 03/15 SDSMESO Hurley 5SW (SD Mesonet) 50 MPH 0455 PM 03/15 SDSMESO ...Union County... SD RWIS North Sioux City 53 MPH 0604 PM 03/15 SDDOT ...Yankton County... SD RWIS VELDIN CORNER 55 MPH 0258 PM 03/15 SDDOT SD RWIS Gayville 53 MPH 0529 PM 03/15 SDDOT Yankton Municipal Airport 48 MPH 0240 PM 03/15 AWOS Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$
Snow/Ice
...2-DAY SNOWFALL REPORTS FOR MARCH 14-15 2026 BLIZZARD... Location Amount Time/Date Provider ...Iowa... ...Cherokee County... 0.9 NE Cherokee 2.0 in 0800 AM 03/16 COOP ...Dickinson County... 0.6 E Spirit Lake 4.5 in 0700 AM 03/16 COOP ...Ida County... Arthur 3.7 SSW 2.0 in 0638 AM 03/16 COCORAHS ...Lyon County... Rock Rapids 1.5 in 0800 AM 03/16 COOP ...OBrien County... Sheldon 3.0 in 0700 AM 03/16 COOP ...Osceola County... Sibley 4.7 in 0800 AM 03/16 COOP ...Plymouth County... 6 NNE Jefferson 2.0 in 0700 AM 03/16 COCORAHS Le Mars 0.5 in 0800 AM 03/16 COOP ...Woodbury County... Sergeant Bluff 1.5 in 0700 AM 03/16 Official NWS Obs ...Minnesota... ...Lyon County... Marshall 8.0 in 0800 AM 03/16 COOP 4 S Cottonwood 7.7 in 0800 AM 03/16 COCORAHS Balaton 2.1 SE 6.3 in 0700 AM 03/16 COCORAHS ...Murray County... Slayton 0.8 SSW 7.7 in 0700 AM 03/16 COCORAHS ...Pipestone County... Edgerton 0.2 WSW 5.5 in 0700 AM 03/16 COCORAHS ...Rock County... Hills 0.2 NW 3.4 in 0700 AM 03/16 COCORAHS ...South Dakota... ...Beadle County... 2 S Huron 6.0 in 0700 AM 03/16 Official NWS Obs ...Bon Homme County... Tyndall 2.2 in 0700 AM 03/16 COOP ...Brookings County... Brookings 1.6 S 6.0 in 0700 AM 03/16 COCORAHS Aurora 0.3 NNE 5.0 in 0800 AM 03/16 COCORAHS Brookings 0.2 SSW 4.0 in 0700 AM 03/16 COCORAHS Brookings 6.5 NNW 3.5 in 0700 AM 03/16 COCORAHS ...Brule County... Chamberlain 7.5 SSW 5.5 in 0700 AM 03/16 COCORAHS Pukwana 1.9 S 3.7 in 0700 AM 03/16 COCORAHS ...Clay County... Vermillion 1.4 SE 2.5 in 0600 AM 03/16 COCORAHS 1.4 S Vermillion 2.3 in 1130 AM 03/15 COOP ...Gregory County... Burke 10.5 SSE 4.5 in 0700 AM 03/16 COCORAHS Gregory 3.0 in 0700 AM 03/16 COOP ...Jerauld County... Wessington Springs 4.0 in 0700 AM 03/16 COOP ...Kingsbury County... De Smet 5.3 in 0800 PM 03/15 COOP ...Lake County... Madison 2SE 5.3 in 0900 AM 03/16 COOP ...Lincoln County... 3 NNE Tea 6.7 in 1252 PM 03/15 Canton 6.5 in 0700 AM 03/16 COOP Harrisburg 0.8 NNE 3.9 in 0700 AM 03/16 COCORAHS ...McCook County... Montrose 5.5 in 0900 AM 03/16 COOP Montrose 5.8 NW 3.0 in 0700 AM 03/16 COCORAHS ...Minnehaha County... Renner 4.1 NW 7.0 in 0700 AM 03/16 COCORAHS Sioux Falls 5.2 E 5.1 in 0700 AM 03/16 COCORAHS Sioux Falls 1.1 SSE 4.5 in 0700 AM 03/16 COCORAHS 3 N Sioux Falls 4.1 in 0700 AM 03/16 Official NWS Obs Hartford 0.5 N 3.5 in 0600 AM 03/16 COCORAHS 5 W Garretson 3.5 in 0700 AM 03/16 COCORAHS ...Moody County... Flandreau 4.0 in 0630 AM 03/16 COOP ...Sanborn County... Woonsocket 0.2 WSW 3.1 in 0800 AM 03/16 COCORAHS Letcher 0.5 E 2.5 in 0700 AM 03/16 COCORAHS ...Yankton County... Yankton 1.0 ESE 3.0 in 0800 AM 03/16 COCORAHS Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$
Radar
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| Saturday evening radar update showing areas of snow, rain to freezing rain & snow transition, and areas of rain. | Radar loop from 2-4 am Sunday morning. Areas of eastern South Dakota and southwestern Minnesota were experiencing thundersnow, while areas of northwestern Iowa were experiencing thunderstorms. | SPC mesoscale discussion highlighting the area where blizzard conditions are expected to develop Sunday afternoon. |
Environment
Synoptic summary.
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| Figure 1: Surface map analysis from 1 am Sunday. Surface low pressure approaching from the southwest, pushing warm air ahead of it triggering initial rain and snow showers. | Figure 2: Surface map analysis from 4 am Sunday showing the winter storm intensifying as a cold front moves southeast through the region, amplifying surface winds. | Figure 3: Surface map analysis from 4 pm Sunday showing the winter storm moving off to the east. Snow is mostly concluded at this point, however winds are rapidly increasing resulting in widespread blizzard conditions. |
Additional environmental data.
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| Figure 4: WPC Day 1 Probability of at least 4 inches of snow. High probability (>70%) for areas of east central South Dakota north of I-90 and southwestern Minnesota. Probability drops of rapidly to the south of I-90. | Figure 5: WPC Day 1 Probability of at least 8 inches of snow. High probability (>70%) for portions of southwestern Minnesota with a slight chance (10%) extending into north eastern South Dakota. | Figure 6: Webcam images from around the region on Sunday around 10 am. Road conditions were deteriorating quickly and no travel was advised in many locations. |
Additional Information
The Forecast
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| NWS Sioux Falls Impact based Decision Support Services forecast packet. This slide details the impacts of the winter storm. | NWS Sioux Falls Impact based Decision Support Services forecast packet. This slide details the very strong winds expected to result in blizzard conditions. |
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