FXUS63 KARX 210541 AFDARX Area Forecast Discussion National Weather Service La Crosse WI 1241 AM CDT Sat Mar 21 2026 .KEY MESSAGES... - Potentially record warmth for Saturday with daytime highs in the 60s to upper 70s for some. See Climate section below for local climate sites records and current forecast. - Low-medium precipitation chances (20-40%) Saturday night through Sunday. Transient wintry mix possible in select spots of central Wisconsin. - More seasonable temperatures through the new week. && .DISCUSSION... Issued at 1057 PM CDT Fri Mar 20 2026 Warm Saturday: Potentially record warmth still on tap for Saturday as a large anticyclone over the Desert Southwest increases heights across the Central CONUS. Until now, little advection to area of low level warmth over the last 24 hours limited overall local impacts. Progression of the pattern tonight through Saturday advects the low level warmth closer/over most of the forecast area. Resultant confidence for daytime highs in the 60s in central Wisconsin and 70s most elsewhere outside of low 80s possible (20-40%) in select, warm susceptible forecast points. Light Precipitation Chances Saturday Night Into Sunday: While highest precipitation chances mostly graze the forecast area Saturday night through Sunday morning, a slight southwest trend in confidence ushers low-medium (20-30%) probabilities for much of the forecast area to experience some light, liquid preciptiation. Other than transient snow mixing in for central Wisconsin, a short window for Freezing Rain is possible (<20%) in central Wisconsin. Seasonable Through New Week: More normal temperatures to round out the weekend stick around through much of the week. Precipitation chances return through midweek although overall confidence in exact timing and location remains to be seen. && .AVIATION /06Z TAFS THROUGH 06Z SUNDAY/... Issued at 1236 AM CDT Sat Mar 21 2026 A cold front will move through the area during the afternoon. As it moves through, south winds around 10 knots will shift to the northwest. Wind gusts will range from 15 to 20 knots. Ceilings and visibilities will remain VFR. && .CLIMATE... Issued at 1111 PM CDT Fri Mar 10 2026 Potential Record Warmth on Saturday, March 21st, 2026: Forecast / Record High Rochester, MN: 75 / 70 (1918) La Crosse, WI: 76 / 75 (2022) && .ARX WATCHES/WARNINGS/ADVISORIES... WI...None. MN...None. IA...None. && $$ DISCUSSION...JAR AVIATION...Boyne CLIMATE...JAR