Area Forecast Discussion
Issued by NWS Huntsville, AL
Issued by NWS Huntsville, AL
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877 FXUS64 KHUN 081945 AFDHUN Area Forecast Discussion National Weather Service Huntsville AL 145 PM CST Mon Dec 8 2025 ...New NEAR TERM... .KEY MESSAGES... Updated at 145 PM CST Mon Dec 8 2025 - Low to medium chances of freezing fog area-wide tonight into early Tuesday morning. - Subfreezing temperatures tonight, then a gradual warming trend through midweek. - Confidence is increasing in the potential of very cold conditions by this weekend into early next week. && .NEAR TERM... (Tonight) Issued at 145 PM CST Mon Dec 8 2025 Cloudy skies continue early this afternoon; however, the back side of the cloud deck (currently moving across northwestern Tennessee) is inching closer to the local area. Thus, thinking that the clouds should push to the south and/or begin to break up by late this afternoon into early this evening. That being said, not anticipating temperatures to warm up too much more through late this afternoon. Temperatures are generally between the upper 30s to mid 40s across north Alabama and southern middle Tennessee at present, with forecast highs still on track to only top out in the mid to upper 40s. By late tonight, the cloud deck should have moved southward and/or broken up enough for skies to be partly cloudy. The main concerns tonight will therefore be colder temperatures (lows in the mid to upper 20s) as well as low to medium chances of freezing fog area-wide due to some clearing in the clouds, calm winds, and low dew point depressions. We will continue to monitor trends and observations through the evening hours, in case a Freezing Fog Advisory becomes necessary. Confidence in this occurring is low to medium at this point, but stay weather aware and take caution on your morning commute tomorrow morning! Also, make sure to bundle up and protect plants, pipes, and pets! && .SHORT TERM... (Tuesday through Thursday) Issued at 954 AM CST Mon Dec 8 2025 As upper level ridging and subsequent sfc high pressure influences the TN Valley from the west, the sun will finally be seen again on Tuesday under clear skies. Highs are forecast to rise into the upper 40s to lower 50s with southwesterly winds around 5-10 mph with gusts up to 15 mph. Wednesday, temps are forecast to be a bit warmer (rising into the mid to upper 50s) ahead of a shortwave trough and subsequent weak cold front forecast to sweep southeast into the area overnight into Thursday. This will bring increased cloud cover throughout the day on Wednesday as well as a very low (10% or less) chance of precipitation. Depending on the timing of this front, precipitation could fall overnight into Thursday morning in the form of a few flurries. However, confidence in this is low. If this were to be the case, no impacts are forecast. && .LONG TERM... (Thursday night through Sunday) Issued at 1038 PM CST Sun Dec 7 2025 A couple additional shortwaves will traverse the southern flank of a broad trough that will be amplifying over the eastern CONUS. These subtle shortwaves will bring reinforcing shots colder, drier air into the region. Highs on Friday will peak in the upper 40s to lower 50s, with overnight lows dropping into the lower 20s. Saturday and Sunday looks to be even chillier as high temperatures will struggle to climb above the 40 degree mark both days -- with overnight lows falling into the upper Teens to lower 20s both nights. Any winds at all will result in even lower wind chill values, especially Saturday night along the higher terrain. In summary below normal temperatures will be favored late this week into the very early part of next week which could favor temperatures at least 10-15 degrees below normal for mid December. Review your winter weather safety rules and prepare to bundle up! && .AVIATION... (18Z TAFS) Issued at 1150 AM CST Mon Dec 8 2025 The low stratus deck will keep at least MVFR CIGs and slight VIS reductions in place at the terminals through much of the afternoon. However, by late this afternoon, the clouds will start moving to the south and/or dissipating and VFR conditions will return this evening. This will be short-lived as patchy to areas of fog have a low to medium chance of developing tonight, bringing MVFR VIS to the terminals. We will monitor trends and observations through late this evening in case fog becomes dense, but confidence is low to medium in this occurring. As for winds, northwest winds around 10 knots this afternoon with gusts to around 15 knots will decrease to be light to calm this evening. After calm winds overnight, southwesterly winds around 5 knots is then expected to develop Tuesday morning. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...None. TN...None. && $$ NEAR TERM...26 SHORT TERM....HC LONG TERM....AMP AVIATION...26