Warm and humid air mass spawning some thundershowers
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It doesn't take much energy aloft to spin up showers and thunderstorms in this sultry air mass. I can't rule out scattered late afternoon and evening thundershower close to the Twin Cities metro area.
The visible satellite image showed a thickening cloud cover advancing over central Minnesota with embedded showers and thundershowers.
![CODNEXLAB-1km-Minnesota.vis.20150904.1745-100-100-raw](https://img.apmcdn.org/2de58377171428a87f67db883d15c0a5cb88bca0/uncropped/82ad5e-updraft-files-2015-09-codnexlab-1km-minnesota-vis--20150904-1745-100-100-raw.gif)
This screen capture of the radar returns was taken at 1:17 p.m.
![WUNIDS_map (13)](https://img.apmcdn.org/95ed3c2b97628f3b6e11f96440f927573d730c14/uncropped/2dd8a5-updraft-files-2015-09-wunids-map-13.gif)
Thunderstorms are most likely later in the day on Saturday and Sunday. An approaching cold front is expected to trigger more a more widespread rain event on Sunday.
![fill_98qwbg (2)](https://img.apmcdn.org/494179ecb242aedaeb58683d28bf45223fb2a247/uncropped/7611d7-updraft-files-2015-09-fill-98qwbg-2.gif)
Early this afternoon, temperatures were generally in the upper 70s to middle 80s with dew points in the 60s to middle 70s. Temperatures at 1 p.m. ranged from 90 degrees in western Minnesota at Montevideo to 64 at Duluth Harbor.
Lower dew points and more seasonal temperatures arrive on Labor Day.
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