/Issued 6:06 PM CDT, Sunday, October 21, 2018/
18z NAM model 10-21-2018
Temperature departure map for the week of October 14, 2018 — The entire Northland had another week of below average temperatures, generally 2 to nearly 8 degrees below average last week.
Precipitation departure map for the week of October 14, 2018 — A dry week across northeast Minnesota and northwest Wisconsin with only some minor light rain/snowfalls during the week.
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Temperature and Precipitation report for Duluth, Minnesota
October 14-20, 2018
High Temperature/Departure from Normal
10/14: 37 F/-16 degrees below normal
10/15: 43 F/-9 degrees below normal
10/16: 45 F/-7 degrees below normal
10/17: 43 F/-8 degrees below normal
10/18: 66 F/+15 degrees above normal
10/19: 60 F/+10 degrees above normal
10/20: 40 F/-10 degrees below normal
Low Temperature/Departure from Normal
10/14: 32 F/-4 degrees below normal
10/15: 29 F/-6 degrees below normal
10/16: 33 F/-2 degrees below normal
10/17: 28 F/-7 degrees below normal
10/18: 30 F/-4 degrees below normal
10/19: 40 F/+6 degrees above normal
10/20: 26 F/-8 degrees below normal
Note: Average temperature for the week of October 14: 39.4 degrees (-3.4 degrees below normal) Source: https://www.dnr.state.mn.us
Total Precipitation: 0.11 inches
Normal: 0.63 inches
Departure: -0.52 inches below normal
State Average for Minnesota for the week of October 14, 2018
Temperature: 40.9 degrees
Departure: -4.9 degrees below normal
Precipitation: 0.19 inches
Departure: -0.34 inches below normal
Peak Wind Gusts for October 19-20, 2018
Note: Peak gusts between 7 PM Friday and 7 AM Saturday
Cloquet, MN: 48 mph
Devils Island: 46 mph
Chisholm-Hibbing: 41 mph
Duluth Airport: 40 mph
Grand Rapids, MN: 39 mph
McGregor, MN: 39 mph
Brainerd, MN: 38 mph
Northome, MN: 38 mph
Superior Airport: 38 mph
Ashland, WI: 37 mph
International Falls, MN: 37 mph
Washburn, WI: 37 mph
Grand Marais Airport: 36 mph
Hayward, WI: 36 mph
Ely, MN: 35 mph
Weather Tidbits for Duluth, Minnesota
•2 days in a row with an above average temperature (Oct 18-19) The last time we had at least 2 days in a row with an above average temperature was in early-mid September when we had 14 consecutive days with an above average temperature (Sep 7-20)
•9 days so far this month with a low temperature of 32 F or colder — Average for October is 12 days (1981-2010 climate period) Record for October is 24 days set in 2002.
…Climate Data for October 20, 2018…
Tied for 4th lowest maximum temperature on record for October 20 with a high on Saturday of 37 degrees. The record cold high temperature for October 20 is 33 degrees set in 2006.
Tied for 4th lowest minimum temperature on record for October 20 with a low on Saturday of 21 degrees. The record low temperature for October 20 is 16 degrees set in 2002.
International Falls, Minnesota
Tied for 5th lowest minimum temperature on record for October 20 with a low on Saturday of 22 degrees. The record low temperature for October 20 is 12 degrees set in 1952.
Started the day with some clouds, but skies this afternoon were generally sunny with near normal high temps in the upper 40s to lower 50s, a good 20 degrees warmer compared to the temperatures from Saturday afternoon.
RAP model analysis from Sunday afternoon had the upper Midwest under NW flow aloft. 850mb temperatures warmed nicely today thanks to a SW wind and a shot of warm air advection! Late afternoon 850mb temps ranged from -2C in far northeast Minnesota to +4C over north-central Minnesota.
Forecast for northeast Minnesota and northwest Wisconsin
Clear to partly cloudy skies with lows mainly in the 30s, perhaps a few 20s in the typical cold spots but temperatures Monday morning shouldn’t be as cold as they were Sunday morning. An area of low pressure will be centered well north of our area tonight while a cold front moves through the Northland this evening.
A secondary cold front moves through our area on Monday. Will likely start the day with quite a bit of sunshine, but more clouds look to arrive during the afternoon hours with a few spotty showers possible in far northern areas. Highs Monday will range from the lower 40s in far northern Minnesota to the low-mid 50s in east-central Minnesota and northwest Wisconsin. Looks a little breezy Monday with winds shifting to the NW gusting to 20-30 mph.
Spotty snow or mixed rain/snow showers are possible over parts of the Northland Monday night-early Tuesday morning with a cooler airmass covering our area for Tuesday with 850mb temps down into the 0 to -8C range. Daytime highs Tuesday are forecast to range from the mid 30s to low 40s.
Note: Watching late this week into next weekend for some possible rain, although right now it doesn’t look like it would be very significant, just some light rain per model data, but this could be the start of a somewhat more active weather pattern for our area which could carry over into the first few days of November.
Duluth, Minnesota Climate Normals for October 22
High: 49 F
Low: 33 F
Sunrise Monday: 7:37 AM CDT
Sunset Monday: 6:09 PM CDT