Extreme Cold/Wind Chill, Southern Cass
- When
- January 29, 4:00 PM CST to January 30, 11:00 AM CST
- Where
- Southern Cass forecast zone
- Reported by
- Official NWS Observations
- Coordinates
- 46.950, -94.325 (the zone’s center; the record gives no point)
An Arctic air mass combined with brisk winds to produce wind chills of 40 to 55 below in northeast Minnesota during the evening of January 29 through the morning hours of January 30. Many school districts canceled classes due to the extreme weather.
Every event with a place to put it; 15 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS DLH wrote it up.
An Arctic air mass combined with brisk winds to produce wind chills of 40 to 55 below in northeast Minnesota during the evening of January 29 through the morning hours of January 30. Many school districts canceled classes due to the extreme weather.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before the first event at Jan 28, 4:01 PM CST, 23 hours 59 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DULUTH MN
401 PM CST MON JAN 28 2008
.DISCUSSION...MAIN FORECAST CONCERN FOR THE SHORT TERM CONTINUES
TO BE THE IMPENDING ARCTIC FRONTAL PASSAGE WITH A WINTRY MIX OF
PRECIPITATION TONIGHT...THE SNOW AND BLOWING SNOW FOR
TUESDAY...AND THEN THE VERY COLD WIND CHILLS TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING.
LATEST SFC ANALYSIS SHOWS COLD FRONT JUST CROSSING INTO NWRN
MINNESOTA...WITH TEMPS DROPPING 20 DEGREES IN A FEW HOURS BEHIND
THE FRONT. AT THE SAME TIME...ECHOES ARE INCREASING IN COVERAGE
AND INTENSITY ON REGIONAL RADAR...WITH RAIN ALREADY BEING REPORTED
ACROSS OUR SWRN ZONES. THIS PRECIP IS MAINLY ASSOCIATED WITH AN
UPPER-LEVEL SHORTWAVE LIFTING NE ACROSS THE UPPER MIDWEST AHEAD OF
THE MAIN TROUGH. THE CONCERN IS THAT AS THE COLDER AIR MOVES IN
FROM THE WEST...THE RAIN MAY BECOME FREEZING RAIN FOR A SHORT
PERIOD BEFORE THE PRECIP CHANGES OVER TO SNOW. THIS WILL MOST
LIKELY HAPPEN BETWEEN 9PM AND 3AM TONIGHT. HOWEVER WE EXPECT ALL
OF THE PRECIP TO CHANGE OVER TO SNOW BY 6AM TUESDAY.
THE MAIN SHORTWAVE TROUGH IS THEN EXPECTED TO ROTATE OVER THE
REGION ON TUESDAY...BRINGING LIGHT SNOW TO OUR FCST AREA. BOTH
THE GFS AND NAM SHOW ACCUMULATING SNOW TO SOME DEGREE...WITH THE
HIGHEST AMOUNTS ACROSS NWRN WI. THE SNOW SHOULD QUICKLY TAPER OFF
TO SCATTERED SNOW SHOWERS TUESDAY EVENING AS THE UPPER LEVEL
SUPPORTS SHIFTS EAST OF OUR FCST AREA. BECAUSE OF THE WINTRY MIX
OF PRECIP EXPECTED TONIGHT AND SNOW/BLOWING SNOW EXPECTED ON
TUESDAY...HAVE OPTED TO GO WITH A WINTER WEATHER ADVISORY FOR ALL
OR OUR FCST AREA THROUGH TOMORROW.
AS THE TEMPERATURES CONTINUE TO PLUMMET TUESDAY AFTERNOON AND
TUESDAY NIGHT...WIND CHILL READINGS WILL BECOME DANGEROUS WITH
READINGS RANGING FROM 30 TO 50 BELOW ZERO. THEREFORE HAVE UPGRADED
THE WIND CHILL WATCH TO A WARNING FOR OUR ENTIRE CWA MAINLY FOR
TUESDAY NIGHT AND WEDNESDAY MORNING.
&&
.AVIATION...CONDITIONS WILL DETERIORATE TONIGHT AS THE COLD FRONT
CROSSES THE NORTHLAND...WITH MVFR/IFR CIGS EXPECTED LATER TONIGHT
AND TOMORROW. THE RAIN WILL CHANGE OVER TO FREEZING RAIN OR SNOW
TONIGHT...AND THEN BECOME ALL SNOW BY TUESDAY MORNING AS THE WIND
SHIFTS OUT OF THE NORTHWEST USHERING IN MUCH COLDER AIR. DUE TO THE
STRONG WINDS...BLOWING SNOW WILL COMBINE WITH THE FALLING SNOW TO
CAUSE VERY REDUCED VSBYS.
&&
POINT TEMPS/POPS...
DLH 8 11 -20 -4 / 50 60 20 10
INL 0 3 -24 -8 / 60 40 20 20
BRD 2 5 -22 -4 / 50 40 10 10
HYR 15 17 -20 -2 / 50 70 20 10
ASX 19 21 -13 2 / 50 70 30 20
&&
.DLH WATCHES/WARNINGS/ADVISORIES...
MN...WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO MIDNIGHT CST
TUESDAY NIGHT FOR NORTHERN COOK/NORTHERN LAKE-SOUTHERN
COOK/LAKESHORE-SOUTHERN LAKE/LAKESHORE.
WIND CHILL WARNING FROM 6 PM TUESDAY TO 12 PM CST WEDNESDAY FOR
CARLTON/SOUTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-PINE-
SOUTHERN COOK/LAKESHORE-SOUTHERN LAKE/LAKESHORE.
WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM CST
TUESDAY FOR CARLTON/SOUTHERN ST. LOUIS-CENTRAL ST. LOUIS-
CROW WING-KOOCHICHING-NORTHERN AITKIN-NORTHERN CASS-
NORTHERN ITASCA-NORTHERN ST. LOUIS-SOUTHERN AITKIN-SOUTHERN
CASS-SOUTHERN ITASCA.
WIND CHILL WARNING FROM 3 PM TUESDAY TO 12 PM CST WEDNESDAY FOR
CENTRAL ST. LOUIS-CROW WING-KOOCHICHING-NORTHERN AITKIN-
NORTHERN CASS-NORTHERN ITASCA-NORTHERN ST. LOUIS-SOUTHERN
AITKIN-SOUTHERN CASS-SOUTHERN ITASCA.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM CST
TUESDAY FOR PINE.
WI...WIND CHILL WARNING FROM 6 PM TUESDAY TO 12 PM CST WEDNESDAY FOR
ASHLAND-BAYFIELD-BURNETT-DOUGLAS-IRON-PRICE-SAWYER-WASHBURN.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM CST
TUESDAY FOR ASHLAND-BAYFIELD-BURNETT-DOUGLAS-IRON-PRICE-
SAWYER-WASHBURN.
BERDES/DAPThe national radar mosaic for the moment the first event began.
15 extreme cold/wind chill. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2008Every state in 2008This day in weather historyWarnings in Minnesota, January 2008
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 74112, 74113, 74104, 74109, 74114, 74106, 74116, 74102, 74103, 74107, 74108, 74105, 74110, 74111, 74115.