FXUS63 KMPX 071102 AFDMPX Area Forecast Discussion National Weather Service Twin Cities/Chanhassen MN 602 AM CDT Mon Apr 7 2025 .KEY MESSAGES... - Very cool temperatures today will go on a warming trend through the upcoming weekend. - Chances for rain Wednesday & Thursday, but no significant precipitation accumulation the next 7 days. && .DISCUSSION... Issued at 252 AM CDT Mon Apr 7 2025 Surface analysis early this morning depicts quite the elongated cold front emanating from a weak low pressure center over central WI, dipping SW into IA/NE then back W and NW over SD and MT. Aloft, a highly meridional pattern exists between a deep trough axis aligned along the Mississippi River and a sharp trough axis from southern Cali northward to Alberta province. High pressure centered over central Canada extends southward into the Northern Plains, helping push the cold front away from the Upper Midwest for today. Although plenty of sunshine is again expected for today, temperatures will be noticeably colder than the above-normal values experienced across the area yesterday. Highs today will run from the mid 30s to lower 40s, at least 10 degrees below normal area-wide, owing to the influence of the southward- sagging modified arctic high pressure airmass and northerly flow aloft. All that said, today will be the coldest day in this forecast. A warming trend will commence from tomorrow onward as the western ridge, while gradually flattening, slides eastward through midweek. On the leading fringes of the ridge, a weak low pressure area will come off the central Rockies Tuesday night into Wednesday, sliding into NE then IA. Pacific moisture associated with the flow aloft will ride atop the ridge and into the central CONUS, having modest interaction with the aforementioned low, bringing isolated/scattered rain showers to the WFO MPX coverage area Wednesday-Thursday. QPF will be rather light, generally 0.10" of rain or less, though some heavier splotches of rain may occur over western WI during the affected timeframe. This system will shift into the Ohio Valley by Thursday, while an even sharper and more expansive ridge takes hold over the western CONUS. This ridge axis is expected to maintain its shape and influence while is slides eastward for the end of the week through the upcoming weekend. This will mean a continued increase in temperatures along with very few chances for precipitation beyond Wednesday. While highs remain in the 50s Wednesday-Friday, highs will go on a significant jump for the weekend, reaching the mid 60s to lower 70s. && .AVIATION /12Z TAFS THROUGH 12Z TUESDAY/... Issued at 557 AM CDT Mon Apr 7 2025 VFR conditions are expected at all terminals the entire period. The exception will be some low VFR to high MVFR stratus across western Wisconsin sites. I've added a BKN040 group to RNH/EAU and a TEMPO at EAU for 6SM -SN through 14Z. Otherwise, mostly clear skies will remain afterwards. Winds will remain northerly through Monday afternoon with sustained values near 10 knots and gusts near 20 knots. Winds become light/variable Monday evening. KMSP...No additional concerns. /OUTLOOK FOR KMSP/ TUE...VFR. Wind S 5-10 kts. WED...VFR with MVFR/-SHRA possible. Wind SE at 10-15 kts. THU...VFR with MVFR/-SHRA possible. Wind NW 10 kts. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...None. WI...None. && $$ DISCUSSION...JPC AVIATION...BPH