Chicago Mobile Weather | Chicago Weather Forecast

.SHORT TERM... 320 AM CST ...Today through Monday night... Meteorological winter will enter quite gently as dry and very mild weather, with highs 10-20 degrees above seasonal normals, persists through the weekend under the influence of zonal flow aloft. Friday night and Saturday morning could see a period of cloudiness as a weak shortwave passes aloft, but the more significant weather holds off until later in the weekend or early next week. By Sunday night a strong low level jet develops over, or perhaps just west of, the area ahead of a longwave trough digging deeply into the western CONUS. The GFS/ECM solutions show a 50+ kt jet at 850mb bringing a warm front through Sunday night and PWATs in excess of an inch from Sunday night through Monday night, which would be at the upper end of the climatological range for this time of year. Forcing from this warm and moist advection could even support thunderstorm chances Monday night, but the more widespread chances of rain and pos...

.SHORT TERM... 320 AM CST ...Today through Monday night... Meteorological winter will enter quite gently as dry and very mild weather, with highs 10-20 degrees above seasonal normals, persists through the weekend under the influence of zonal flow aloft. Friday night and Saturday morning could see a period of cloudiness as a weak shortwave passes aloft, but the more significant weather holds off until later in the weekend or early next week. By Sunday night a strong low level jet develops over, or perhaps just west of, the area ahead of a longwave trough digging deeply into the western CONUS. The GFS/ECM solutions show a 50+ kt jet at 850mb bringing a warm front through Sunday night and PWATs in excess of an inch from Sunday night through Monday night, which would be at the upper end of the climatological range for this time of year. Forcing from this warm and moist advection could even support thunderstorm chances Monday night, but the more widespread chances...