textproduct: Huntsville

KEY MESSAGES

Updated at 1023 AM CDT Fri Sep 25 2026

- No impactful weather through the seven day forecast period.

NEAR TERM

(Tonight) Issued at 156 PM CDT Fri Sep 25 2026

Deep layer northerly flow will result in a clear and chilly night in the TN Valley. Overnight lows are forecast to be in the lower to middle 50s (5-9 degrees below normal) with dew points dipping into the upper 40s to lower 50s. The good news is winds will remain on the light side or drop to calm levels.

SHORT TERM

(Saturday through Monday) Issued at 1023 AM CDT Fri Sep 25 2026

High pressure over the Great Lakes region will control the weather into early next week. With more sun than clouds and a gradual moderation, daily high/low temperatures will slowly rise. Highs on Sat/Sun should range from around 80 NE Alabama and the higher terrain, to low/mid 80s elsewhere. Night lows Sat night should cool mainly in the mid 50s, and low/mid 50s Sun night. Highs on Mon should rise mainly in the mid 80s. Dry weather should continue into the mid week.

LONG TERM

(Sunday night through Thursday) Issued at 1014 PM CDT Thu Sep 24 2026

Our coolest night may be Sunday into Monday morning. Guidance is hinting at some upper 40s possibly for lows in southern middle Tennessee and portions of NE Alabama. Some patchy fog may be possible as well given lighter winds expected towards daybreak on Monday.

A large deep layer cyclone off the New England coast will become an open wave and begin ejecting northeast, allowing a trough axis to drop southeast through the TN Valley on Monday. At this point, it appears to be a dry trough with no precipitation expected. A 5h ridge will then shift east into the lower MS Valley and western Gulf of America on Tuesday into Wednesday, and then further east into the Southeast U.S. and southwest Atlantic basin by Thursday. Thus, a warming trend is expected with highs that begin the week in the lower to middle 80s, warming into the upper 80s to around 90 during the middle part of the week. The medium range models then diverge on the handling of a southwest U.S. upper low evolution. Even so, the low chances of showers or thunderstorms suggested by the NBM may be due more to generalized moistening and destabilization due to increased southerly flow in advance of this trough. The ECMWF is stronger with the ridge and delays the shift of this trough east, which may equate to a warmer scenario late next week.

AVIATION

(00Z TAFS) Issued at 605 PM CDT Fri Sep 25 2026

Northerly to northeasterly winds will continue at both terminals early this evening before becoming light and variable. Expect afternoon cumulus to dissipate and clear skies to be the general rule of thumb. This should allow for good radiational cooling overnight. Drier air will advect into the terminals overnight, but cooling may be effective enough for some patchy fog to develop towards daybreak on Saturday at both terminals. For now, only introduced MVFR VSBY reductions between 08Z and 12Z. Winds should remain from the NNE on Saturday and increase to around 5 knots after 15Z as VFR conditions return.

HUN WATCHES/WARNINGS/ADVISORIES

AL...None. TN...None.