North Sioux storm history

Montrose RAWS reported a brief gust of 66 MPH.

A few infrequent strong wind gusts observed over northern Sioux County. Peak gust of 62 MPH was measured at Montrose RAWS site, near the South Dakota border.

Peak wind gust of 60 MPH observed at Montrose RAWS site.

Mesonet station at Montrose Nebraska reported several wind gusts between 58 to 62 mph.

CocoRahs observed reported a storm total snowfall of 6 inches in Harrison Nebraska.

Peak gust of 64 mph occurred at the Montrose RAWS (MTRN1) 3 miles west of Montrose at 11:24 AM on February 25th. Multiple other gusts between 60 and 65 mph were reported in this zone.

Overnight low temperatures fell to between -10 F and -15 F in Northern Sioux County from 2/18 through 2/19. The combination of cold temperatures and gusty winds resulted in a prolonged period of extreme wind chills under -35 F. Minimum observed wind chill values reached -37 F at …

Overnight low temperatures fell to between -20 F and -25 F across northern Sioux County from 1/19 into 1/21, with daytime highs generally remaining under 5 F during the afternoon on 1/20. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme wi…

Station Manager at KNEB relayed report of 12 inches of snow in Harrison with severe drifting.

A second wave of extreme cold occurred across northern Sioux County from 1/15 through 1/16, with minimum observed air temperatures ranging from -15 F to -25 F. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme wind chills under -40 F. Minim…

Overnight low temperatures fell to between -20 F and -30 F across northern Sioux County from 1/12 into 1/13, with daytime highs generally remaining under -10 F during the afternoon on 1/13. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme …

An estimated 2 to 5 inches of snow fell across Northern Sioux County, per multiple data sources.

RAWS mesonet station Montrose (MTRN1) measured maximum wind gust.

Report received from Harrison of 6 inches.

The public reported a storm total snowfall of 20.0 inches in the town of Harrison.

The public reported a storm total snowfall of 20.0 inches in the town of Harrison.

COOP observer in Harrison reported a storm total snowfall of 10.7 inches. Highway US-20 was closed through the county the night of 2/22.

Overnight low temperatures ranged from -22 F to -26 F across northern Sioux County from 12/21 into 12/22, with daytime highs generally remaining under -10 F during the afternoon on 12/22. Sustained winds 15-30 MPH resulted in a prolonged period of extreme wind chills under -30 F.…

CO-OP observer in Harrison reported blizzard conditions with falling and blowing snow. Nearby RAWS mesonet station Montrose (MTRN1) reported winds 35 to 50 mph during this period. Additionally, US Highway 20 was closed through Sioux County for an extended period of time.

Montrose RAWS site reported this peak wind gust.

RAWS mesonet station Montrose (MTRN1) measured maximum wind gust 3 miles west of Montrose at 3:24 PM MDT on the 23rd.

Radar estimates around 8 inches of snowfall over the area. Numerous power poles needed replacement or maintenance along U.S. Highway 20 near Harrison due to heavy, wet snow and strong winds.

Van Tassell WYDOT site on the Niobrara and North Sioux County line.

An official NWS Co-Op observer reported 5.2 inches of snow 9 WSW of Harrison in Northern Sioux County.

Received report at 1053AM MST on the 5th of 8 inches of snow 13 miles south-southeast of Harrison. Additionally, spotter reported 4 inches of snow with near blizzard conditions 18 miles south of Harrison, Nebraska at 1049 AM. Estimated winds at 35 mph on gusts.

The sensor at Highway 71 along the SD/NE line recorded a minimum wind chill around -35 degrees F which persisted for several hours.

Snowfall accumulations of 4 to 6 inches were reported by multiple NWS COOP Observers across northern Sioux County.

RAWS mesonet station Montrose (MTRN1) measured maximum wind gust 3 miles west of Montrose.

Nebraska Department of Roads mesonet station along NE-71 near the South Dakota border (NE802) measured sustained winds of 40 mph for over an hour.

A brief wind gust to 64 MPH was observed at the Montrose Raws (MTRN1) at 2:24 PM MST.

A trained weather spotter reported 6-8 inches of snow near the town of Agate along the border of northern and southern Sioux County.

Observer measured 3.5 inches of snow accumulation 9 miles west-southwest of Harrison. Additional reports in the area of 2 to 3 inches of snowfall.

NEDOR and RAWS mesonet stations reported blizzard conditions with strong winds gusting 35-50 MPH and whiteout conditions per local highway webcams.

Sensor MTRN1 near Montrose measured the reported wind gust.

Observer located ten miles east of Harrison measured 8.0 inches of snowfall.

Montrose sensor measured the reported wind gust. In addition, a Citizen Weather Observer Program site near Harrison measured a peak wind gust of 62 mph.

Reported blizzard conditions seventeen miles north of Harrison with visibility 100 yards or less throughout much of the morning and strong winds. Nearby RAWS mesonet station Montrose reported frequent wind gusts to 50 MPH.

Observer located nine miles north-northeast of Harrison measured 6.0 inches of snowfall.

Nebraska Department of Roads sensors measured the period of minus 30 wind chills. With area ranchers in calving season, many had to prepare additional feed and wind breaks to keep herd alive along with heavy snow during portion of the extreme cold.

Observer located thirteen miles south-southeast of Harrison measured 13.0 inches of snowfall.

Montrose sensor located three miles west of Montrose measured the reported wind gust.

RAWS mesonet station MTRN1 Montrose reported wind gusts.

Observer located nine miles northeast of Harrison reported 7.0 inches of snow.

Observer located in Harrison measured a total storm snowfall of 7.7 inches.

Observer HRNN1 located nine miles west-southwest of Harrison measured a snowfall total of 6.0 inches.

Observer located ten miles south of Fort Robinson measured snowfall of 6.0 inches.

Public report of 6.8 inches of heavy snow in Harrison Nebraska.

Observer located five miles southeast of Harrison measured 10.0 inches of snowfall during the peak of the event at 7 PM on the 28th.

Observer roughly twenty some miles north of Harrison reported blizzard conditions with snow drifting into 5 to 8 foot piles. A Nebraska Department of Roads sensor along Highway 71 at the South Dakota and Nebraska state line had persistent wind speeds into the upper 40 mph range.

Observer in Harrison measured an initial 1.8 inches of snowfall for the 26th observation followed by an additional 4.5 inches for the 27th observation giving a storm total of 6.3 inches of snow.