While the East has been having record warmth, the west has been very cold, a big change after several weeks of the opposite pattern. In Montana, temperatures are running about 20 F below average. Let's predict Friday's minimum temperature in Baker, in far eastern Montana (close to the North Dakota border). The GFS is predicting a low of -10, about 10 F colder than the NAM MOS.
|Tmin, deg F (error)