National Weather Service United States Department of Commerce

Enhanced Risk for Severe Thunderstorms Across the Upper Midwest; Flash Flooding Possible from the Upper Midwest to Southern Plains and Desert Southwest Through Friday

Portions of the Upper Midwest will see an increased threat for severe thunderstorms through this evening, with a few strong tornadoes possible. The same region remains on alert for additional flash flood concerns. Heavy rainfall may lead to flash flooding across the Desert Southwest today, and Southern Plains by Friday. Finally, Major-to-record river flooding continues across the Carolinas. Read More >

.DECEMBER 2014 WAS WARMER AND WETTER THAN NORMAL AT DULUTH MN...

THE AVERAGE TEMPERATURE FOR DECEMBER WAS 21.5 DEGREES WHICH WAS 6.7
DEGREES WARMER THAN THE NORMAL OF 14.8 DEGREES TYING THIS FOR THE
21ST WARMEST DECEMBER IN STATION HISTORY. THE HIGHEST TEMPERATURE
FOR THE MONTH WAS 43 DEGREES ON THE 15TH. THE LOWEST TEMPERATURE WAS
10 DEGREES BELOW ZERO ON THE 29TH AND 30TH. NO DAILY TEMPERATURE
RECORDS WERE SET FOR THE MONTH.

DECEMBER 2014 WAS WETTER THAN NORMAL WITH A TOTAL OF 1.26 INCHES OF
PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 0.05 INCHES ABOVE THE
NORMAL OF 1.21 INCHES TYING THIS FOR THE 52ND WETTEST DECEMBER IN
RECORDED HISTORY. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR
PERIOD OCCURRED ON THE 15TH THROUGH THE 16TH WHEN 0.67 INCHES WAS
RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS RECORDED ON 24 DAYS.
AT LEAST 0.01 INCH OF PRECIPITATION FELL ON 10 DAYS. AT LEAST 0.10
INCHES FELL ON 4 DAYS. AT LEAST 0.50 INCHES FELL ON 1 DAY. 8.6
INCHES OF SNOW FELL FOR THE MONTH WHICH WAS 9.1 INCHES BELOW THE
NORMAL OF 17.7 INCHES. THIS WAS THE 50TH LEAST SNOWIEST DECEMBER IN
STATION HISTORY. NO DAILY PRECIPITATION OR SNOWFALL WEATHER RECORDS
WERE SET FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 9.9 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 31ST WITH AN AVERAGE WIND SPEED OF 19.1
MPH. THE HIGHEST SUSTAINED WINDS OCCURRED ON THE 31ST WITH A WIND
FROM THE WEST AT 29 MPH. A PEAK GUST OF 41 MPH FROM THE NORTHWEST
WAS RECORDED ON THE 1ST. THERE WERE 1341 HEATING DEGREE DAYS FOR THE
MONTH WHICH WAS 215 BELOW THE NORMAL OF 1556. THIS BROUGHT THE
SEASONAL TOTAL TO 3556 WHICH WAS 213 BELOW THE NORMAL OF 3769. THERE
WERE 0 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS NORMAL. THE
SEASONAL TOTAL COOLING DEGREE DAYS REMAIN AT 179 WHICH IS 25 DEGREES
BELOW THE NORMAL OF 204. THE HIGHEST BAROMETRIC PRESSURE READING FOR
THE MONTH WAS 30.75 INCHES REACHED ON THE 1ST AND THE LOWEST
BAROMETRIC PRESSURE READING WAS 29.52 INCHES REACHED ON THE 25TH.

THE OUTLOOK FOR JANUARY...NORMAL HIGHS FOR THE MONTH START IN THE
UPPER TEENS AND WARM TO 20 DEGREES AT THE END OF THE MONTH. NORMAL
LOWS FOR THE MONTH ARE IN THE LOWER SINGLE DIGITS. NORMAL
PRECIPITATION FOR JANUARY IS 0.96 INCHES. NORMAL SNOWFALL FOR
JANUARY IS 19.4 INCHES. BELOW NORMAL TEMPERATURES AND NEAR NORMAL
PRECIPITATION ARE FORECASTED FOR JANUARY.

.DECEMBER 2014 WAS WARMER AND WETTER THAN NORMAL AT INTERNATIONAL 
FALLS MN...

THE AVERAGE TEMPERATURE FOR DECEMBER WAS 17.6 DEGREES WHICH WAS 7.9
DEGREES WARMER THAN THE NORMAL OF 9.7 DEGREES MAKING THIS THE  10TH
WARMEST DECEMBER IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE
MONTH WAS 38 DEGREES ON THE 14TH. THE LOWEST TEMPERATURE WAS 18
DEGREES BELOW ZERO ON THE 29TH. NO TEMPERATURE RECORDS WERE SET FOR
THE MONTH.

DECEMBER 2014 HAD ABOVE NORMAL PRECIPITATION WITH A TOTAL OF 0.85
INCHES WHICH WAS 0.04 INCHES BELOW THE NORMAL OF 0.81 INCHES TYING
THIS FOR THE 48TH WETTEST DECEMBER IN RECORDED HISTORY. THE GREATEST
AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE 7TH
THROUGH THE 8TH WHEN 0.20 INCHES WAS RECORDED. AT LEAST A TRACE OF
PRECIPITATION WAS REPORTED ON 25 DAYS. AT LEAST 0.01 INCHES OF
PRECIPITATION FELL ON 11 DAYS. AT LEAST 0.10 INCHES OF PRECIPITATION
FELL ON 4 DAYS. 10.7 INCHES OF SNOW FELL FOR THE MONTH WHICH WAS 4.3
INCHES BELOW THE AVERAGE OF 15.0 INCHES. THIS WAS THE 36TH LEAST
SNOWIEST DECEMBER IN STATION HISTORY. NO DAILY PRECIPITATION OR
SNOWFALL RECORDS WERE SET FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 6.7 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 31ST WITH AN AVERAGE WIND SPEED OF 12.7 
MPH. THE GREATEST SUSTAINED WINDS OCCURRED ON THE 4TH WITH A WIND
FROM THE SOUTHWEST AT 21 MPH AND ON THE 15TH WITH A WIND FROM THE
NORTH AT 21 MPH. A PEAK GUST OF 30 MPH FROM THE SOUTHWEST WAS
RECORDED ON THE 4TH. THERE WERE 1463 HEATING DEGREE DAYS FOR THE
MONTH WHICH WAS 251 DEGREES BELOW THE NORMAL OF 1714. THIS BROUGHT
THE SEASONAL TOTAL OF HEATING DEGREE DAYS TO 4074 WHICH IS 101 BELOW
THE NORMAL OF 4175. THERE WERE 0 COOLING DEGREE DAYS FOR THE MONTH
WHICH WAS NORMAL. THE SEASONAL TOTAL OF COOLING DEGREE DAYS REMAINS
AT 121 WHICH IS 71 DEGREES BELOW THE NORMAL OF 192. THE HIGHEST
BAROMETRIC PRESSURE READING FOR THE MONTH WAS 30.80 INCHES REACHED
ON THE 30TH. THE LOWEST BAROMETRIC WAS 29.45 INCHES REACHED ON THE
25TH.

THE OUTLOOK FOR JANUARY...NORMAL HIGHS ARE IN THE MID TEENS FOR THE
MONTH. NORMAL LOWS FOR THE MONTH ARE IN THE MID SINGLE DIGITS BELOW
FOR THE MONTH. NORMAL PRECIPITATION FOR JANUARY IS 0.62 INCHES.
NORMAL SNOWFALL FOR JANUARY IS 15.0 INCHES. BELOW NORMAL
TEMPERATURES AND NEAR NORMAL PRECIPITATION ARE FORECASTED FOR
JANUARY.