Area Forecast Discussion
Issued by NWS Grand Forks, ND
Issued by NWS Grand Forks, ND
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497 FXUS63 KFGF 110030 AFDFGF Area Forecast Discussion National Weather Service Grand Forks ND 630 PM CST Mon Nov 10 2025 .KEY MESSAGES... - No impactful weather is expected through the end of this week. && .UPDATE... Issued at 630 PM CST Mon Nov 10 2025 High based returns on radar are associated with a 10kft cloud layer. This is in the WAA regime ahead of of mid level low (sharply defined PV height anomaly apparent on satellite) may result in virga, however substantial sub-cloud dry layer would limit any potential precipitation this evening. Windy conditions are lingering in tight surface gradient ahead of this system with period gusts to 40 mph, but winds should start a downward trend as the surface trough axis (already near our northwest CWA) arrives this evening and gradient weakens. Adjustments were may to sky/wind this evening to reflect current trends, otherwise forecast for overnight period is on track. && .DISCUSSION... Issued at 126 PM CST Mon Nov 10 2025 ...Synopsis... Lots of cloud cover is streaming across the region this afternoon, with low level stratus ever so slowly eroding as a drier air mass aloft works in. Our region is under the influence of an upper level ridge, with the deep trough that impacted us over the weekend now over the eastern US. Tonight, an area of low pressure well to our north in Canada will swing a warm front through. While the better forcing for precipitation will be to our north closer to the low in Canada or east deeper into MN where better frontogenetical forcing exists, there should be just enough lift to get a little light precipitation to form on the MN side of the FA. Any impacts from this precipitation looks to be minor. If there were to be any pockets of freezing drizzle, duration between when it occurs and when temperatures get above freezing would be short, resulting in little to no impacts. The bigger story of the night is the lack of a diurnal trend. Temperatures will likely flat line after dark, then rapidly rise after sunrise on Tuesday. Highs on Tuesday will break into the 40s area wide, with a few 50s in southeastern ND. Similar values are expected throughout the rest of the week, peaking on Friday. Afternoon highs on Friday of around 60 degrees are forecasted in southeastern ND, still short of record highs but warm by November standards. The next chance for more active weather arrives over the upcoming weekend. Ensembles do not have a good handle on how the overall pattern will evolve, but troughiness over the western US should lead to stormier weather in our neck of the woods. The question is how it plays out. Is it one larger system, or several smaller systems? Will the system(s) be able to tap into the colder air north of the International Border, or does it stay warmer? Overall, significant uncertainty in pattern evolution leads to low rain chances in the forecast next weekend, with continued unsettled weather likely beyond the end of the forecast period. && .AVIATION /00Z TAFS THROUGH 00Z WEDNESDAY/... Issued at 545 PM CST Mon Nov 10 2025 VFR conditions are expected through the TAF period across eastern ND, with VFR likely to prevail in northwest MN at least through 15Z in northwest MN. After 15Z guidance shows MVFR stratus spreading out of Canada behind a departing low pressure system. This stratus layer (1500-3000 FT AGL) will track from the northeast into northwest MN (not making it farther west than KTVF), and then prevail through the afternoon and possibly the early evening. A northwest orientated low level jet will result in wind shear (30-45kt) across eastern ND and parts of northwest MN later this evening into the Tuesday morning period. Gusty surface winds will be shifting from the south this evening to the southwest then west-northwest through the TAF period as low pressure passes to the north and a cold front Tuesday. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...None. MN...None. && $$ UPDATE...DJR DISCUSSION...Rafferty AVIATION...DJR