textproduct: Huntsville

KEY MESSAGES

Updated at 950 CDT Wed May 27 2026

- Medium to high chances (50-70%) for showers and storms exist across much of the TN Valley through the weekend.

- Drier conditions are expected by Monday/Tuesday of next week.

NEAR TERM

(Rest of tonight and Thursday) Issued at 950 CDT Wed May 27 2026

As of about 9 PM, light showers can be seen on radar pushing north through NW AL. These showers are being supported by a lingering weak convergence boundary from earlier storms. Post sunset, we will continue to lose energy to support these showers and most should die out around 06Z with mostly dry conditions prevailing overnight. Despite remaining dry from rain, conditions will remain incredibly moist as dew points remain in the 70s, keeping RH values between 80-100%. Models are consistent in showing a low cloud deck moving in early Thursday morning. This should dissuade any fog formation however any clear pockets will be susceptible to fog due to the calm winds and low dew point depressions.

Another cloudy and muggy morning looks likely tomorrow. Without any significant pattern change, Thursday will be very similar to Wednesday. Clouds will prevail through the morning with some clearing by midday. Diurnal convection looks to pick up by mid morning. Without any additional forcing, heavy rainfall and lightning will be the main threats. With PWATS remaining elevated, showers and storms will continue to be capable of efficient rainfall production. We will continue to monitor storms tomorrow should any pose a risk for flash flooding.

SHORT TERM

(Thursday night through Saturday) Issued at 950 CDT Wed May 27 2026

Through the short term forecast ridging off the Atlantic coast will dampen as high pressure evolves in the midwest. This will do little to change our local weather pattern. High pressure to our north will keep our high PWATS and dew points in place through the short term. In turn, this will maintain our medium to high afternoon rain chances Friday and Saturday. Flooding concerns will continue as all showers and storms will be capable of efficient rainfall production. Should storms move slowly or train over the same area, we could see some localized flooding.

LONG TERM

(Saturday night through Wednesday) Issued at 950 PM CDT Wed May 27 2026

As high pressure continues to slowly expand over the northeast Atlantic coast, upper ridging centered over the eastern Plains will stall any significant change in airmass until likely late Monday or Tuesday. We will maintain medium chances for rain and thunderstorms Sunday and Monday with the greatest chances during peak diurnal heating hours. Upper troughing paired with high pressure over the northeast will finally begin to dig south toward Tuesday, bringing a drier airmass to the area and a break from the wet and humid pattern we have been in lately. Only low chance PoPs are forecast on Tuesday with the majority of the area expected to stay dry. Temperatures will stay close to seasonable norms during this period, topping out in the upper 70s/lower 80s each day.

AVIATION

(06Z TAFS) Issued at 1240 AM CDT Thu May 28 2026

Low ceilings are expected to build in around 09Z creating IFR to possibly LIFR CIGS. Low ceilings will linger until just after sunrise when VFR conditions will return. Afternoon convection will bring chances of showers and thunderstorms once again that will produce lightning and heavy rainfall.

HUN WATCHES/WARNINGS/ADVISORIES

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