/Issued 5:25 PM CDT, Monday, September 17, 2018/
Source: https://weather.cod.edu
Goes-16 visible satellite loop from Monday, September 17, 2018.
Loop time: 12:02 PM to 5:22 PM.
Showers and thunderstorms have been affecting much of the southern half of Minnesota today with mid to high level clouds farther north.
Source: https://weather.cod.edu
Radar loop ending at 5:45 PM CDT, Monday, September 17, 2018.
Showers and thunderstorms continue late this afternoon in southeast Minnesota and in parts of western/southwest Wisconsin, movement of this activity is mainly toward the east.
Source: https://weathermodels.com
12z European Computer Model (ECMWF) 9-17-2018
Climate Data for September 16, 2018
International Falls, Minnesota
A new record high temperature was set for September 16 with a high on Sunday of 87 degrees — This beat the previous record high of 85 degrees which was set in 1911 and tied in 1922.
Tied for 5th warmest low temperature on record for September 16 with a low on Sunday of 57 degrees. The warmest low temperature on record for September 16 is 66 degrees set in 2015.
Brainerd, Minnesota
A new record high temperature was set for September 16 with a high on Sunday of 89 degrees — This beat the previous record high of 82 degrees which was set in 1927 and tied in 1968, 1987 and in 2015.
A new record warmest low temperature was set for September 16 with a low on Sunday of 68 degrees — This beat the previous record warm low temperature of 66 degrees set in 2015.
Ashland, Wisconsin
2nd warmest high temperature on record for September 16 with a high on Sunday of 87 degrees. The record high temp for September 16 is 94 degrees set in 1948.
3rd warmest low temperature on record for September 16 with a low on Sunday of 61 degrees. The warmest low temperature on record for September 16 is 70 degrees set in 2015.
Duluth, Minnesota
2nd warmest low temperature on record for September 16 with a low on Sunday of 62 degrees. The warmest low temperature on record for September 16 is 67 degrees set in 2015.
Tied for 3rd warmest high temperature on record for September 16 with a high on Sunday of 80 degrees. The record high for September 16 is 89 degrees set in 1948.
Hibbing, Minnesota
2nd warmest high temperature on record for September 16 with a high on Sunday of 85 degrees. The record high temp for September 16 is 87 degrees set in 1948.
Tied for 2nd warmest low temperature on record for September 16 with a low on Sunday of 60 degrees. The warmest low temperature on record for September 16 is 65 degrees set in 2015.
Weather Tidbits for Duluth, Minnesota
5 days so far this month with a high temperature of at least 80 degrees — The record for September is 10 days set in 1908, and we likely won’t be breaking that record.
52 days so far this year with a high temperature of at least 80 degrees — The record for most number of 80 degree days in a year is 53 days set in 1988. We could squeeze out one more 80 degree day this year to tie the record from 1988, but doubtful that we would get 2 more 80 degree days to break the record, but in weather you just never really know!
Weather Synopsis
Cooler and less humid conditions across our area today with a frontal boundary now well south of the Northland, extending from northern Nebraska to central Wisconsin. Showers and thunderstorms have been occurring near this front today in southern Minnesota with some severe weather mainly in the form of damaging winds down in that area today. It’s been mostly dry farther north up in our area today under mostly cloudy to partly sunny skies. High temperatures today ranged from the mid 50s to mid 60s, near average to around 5 degrees below average for mid September.
[Tonight]
A few showers are possible in east-central Minnesota and northern Wisconsin tonight as some warm air advection and a slight increase in elevated instability pushes E-NE toward that area, but the better chance for more organized shower and thunderstorm development should remain farther south across south-central Minnesota and west-central Wisconsin. Otherwise for tonight partly to mostly cloudy skies with lows in the 40s and 50s.
[Tuesday]
Should be mainly dry in most of the Northland Tuesday, but a few showers could affect far southern areas at times. Partly to mostly cloudy skies with highs Tuesday in the mid 50s to low 60s, pretty similar to Monday’s highs.
[Looking Ahead]
Widespread rain, possibly heavy at times is a possibility for Wednesday and Thursday as low pressure heads northeast out of Colorado, this low could intensify a bit as it swings NE into the upper Midwest and Great Lakes later in the week — A surge of humid air lifting north ahead of this low combined with favorable jet dynamics should lead to widespread soaking rains in most of northeast Minnesota and northwest Wisconsin from Wednesday into Thursday with areas of heavy rain and embedded thunder possible as well. Note: There is still some uncertainty on the track of the midweek system and where the heaviest rainfall will setup so stay tuned to later updates in coming days.
Duluth, Minnesota Climate Normals for September 18
High: 64
Low: 45
Sunrise Tuesday: 6:50 AM CDT
Sunset Tuesday: 7:14 PM CDT
Tim
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