textproduct: Huntsville

KEY MESSAGES

Updated at 937 PM CDT Mon Mar 30 2026

- A warm, moist air mass will remain in place through the week, with highs in the upper 70s to lower 80s each day, with lows in the 60s. - Low to medium shower and thunderstorm chances increase starting today through Saturday. Some stronger storms could develop by Saturday night into Sunday as cold front moves through the region.

NEAR TERM

(Today) Issued at 216 AM CDT Tue Mar 31 2026

Increasing mid level clouds and southerly winds have kept fog at bay so far this morning and is expected to continue to through the remainder of the morning. Strong warm air advection will continue today as high pressure slowly pushes east of the Atlantic coast and upper ridging positioned to our east keeps southwesterly flow in place. With the increase in moisture and overall weak synoptic forcing, have kept rain/thunder chances capped near 20% this afternoon. Highs are forecast to reach the low 80s area wide with breezy SW winds up to 20-25mph at times.

SHORT TERM

(Tuesday night through Thursday) Issued at 937 PM CDT Mon Mar 30 2026

Any showers and storms that developed earlier during the afternoon on Tuesday will quickly dissipate with the loss of daytime heating. Once again, a mild and humid evening with lows by Wednesday morning dropping down into the upper 50s to lower 60s. As a deepening upper level trough ejects eastward into the Southern Plains on Wednesday, expect a more pronounced shortwave to move through the Tennessee Valley. This will provide enough forcing to generate low to medium chances (30-50%) of showers and thunderstorms with better coverage compared to Tuesday. Based on forecast soundings, do not expect strong or severe storms given weak shear and modest instability. Despite the precipitation, southerly flow will once again warm afternoon temperatures into the low to mid 80s.

By Wednesday night, sfc cyclogenesis along the base of the trough in the Plains occurs with the low forecast to lift off to the northeast. Further south along the base of the trough an area of showers and storms moves eastward across the Mississippi River Valley and into the Tennessee Valley Thursday afternoon. With the upper level trough considerably weakening, do not expect severe storms with this precipitation, but it will bring some much needed rain to the area.

LONG TERM

(Thursday night through Monday) Issued at 937 PM CDT Mon Mar 30 2026

Showers and storms will linger into the day on Friday. A brief break in precip should occur Friday afternoon allowing for temperatures to warm back up into the 80s. Given the warm and moist environment, there is at least a low chance (20-30%) of some diurnally driven showers and storms, but coverage at this time is expected to be scattered. Another upper level trough begins to dig southeast across the Plains with our next impactful system forecast to arrive into the area this weekend. As a sfc cyclone ejects towards the Great Lakes Region, a cold front will swing into the Tennessee Valley on Saturday. Latest model trends bring the cold front through the local forecast area Saturday night into Sunday. Medium to high chances (50-65%) of showers and thunderstorms are forecast with the frontal passage. It does not look at this time that conditions are favorable for severe storms as the better forcing is expected to be displaced to our north. Modest instability and some vertical wind shear may allow for some stronger storms to develop.

The front should clear the local forecast area by the end of the weekend. A noticeable airmass change will be felt by the start of next week as northwest flow ushers in some cooler and drier conditions. Temperatures on Monday afternoon will rise into the upper 60s, a few degrees below climatological normals for this time of year.

AVIATION

(12Z TAFS) Issued at 635 AM CDT Tue Mar 31 2026

MVFR to IFR stratus is slowly expanding east this morning as southerly winds increase across the area. Amendments may be needed this morning as this stratus deck continues to shift northeast but is forecast to improve to VFR by the afternoon. While there are low chances for showers/storms this afternoon, confidence in coverage near either terminal is not high enough to include in TAFs at this time. MVFR cigs are forecast to return by the end of the TAF period.

HUN WATCHES/WARNINGS/ADVISORIES

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