Logan, Alabama Weather Forecast Discussion

054
FXUS64 KHUN 150636
AFDHUN
Area Forecast Discussion
National Weather Service Huntsville AL
136 AM CDT Mon Sep 15 2025
...New NEAR TERM...
.NEAR TERM...
(Today)
Issued at 136 AM CDT Mon Sep 15 2025
A weak shortwave was rotating southwest through TN into north AL
around an upper level low off the GA/SC coast. This was helping to
generated isolated showers and thunderstorms west of I-65 in TN.
The showers and thunderstorms have tended to die off quickly as
they approach or enter far northwest AL due to much lower CAPE
values further south. The chance of showers and thunderstorms will
continue to drop after sunrise will remain less than 10% in
northwest AL the rest of today. High temperatures will reach the
middle to upper 80s for most valley locations. Temperatures will
be a few degrees cooler atop the higher elevations along the
Cumberland Plateau, and could touch 90 degrees in a few spots of
northwest AL.
&&
.SHORT TERM...
(Monday night through Wednesday night)
Issued at 929 PM CDT Sun Sep 14 2025
This week we will start off with an omega blocking pattern across
the CONUS. There will be a low pressure off the Southeast to Mid
Atlantic coast and an amplified ridge being squeezed into the
Great Lakes as low pressure in the Northern Plains and Northern
Rockies tries to slide eastward. A shortwave gliding southward
through the flow tomorrow afternoon could bring a low chance for
showers/storms, otherwise it should be another warm and dry day
across the TN Valley. The blocking pattern will persist into mid
week and conditions should remain dry, however, will have to
monitor if disturbances from the coastal low encroach close enough
to the TN Valley to pop a few showers/storms. Confidence is too
low to include any POPs for this in this forecast package. Highs
will remain above normal in the upper 80s to lower 90s but heat
index values should remain below 100 degrees. Regardless, stay
safe in the heat by taking breaks, staying hydrated and never
leaving people or pets in vehicles.
&&
.LONG TERM...
(Thursday through Sunday)
Issued at 929 PM CDT Sun Sep 14 2025
The blocking pattern will finally break down during the latter
half of the work week as the Mid Atlantic low weakens and lifts
northward. High pressure will keep conditions dry for Thursday,
but low chances of showers and storms return on Friday and into
the weekend as the other trough in the blocking pattern slides
into the Plains. Its surface low will lift into the Midwest, with
the associated cold front sliding into the Mid MS Valley. At this
time, it doesn`t look like the front will make it into the TN
Valley but stay close enough to keep a low chance (20-30%) in the
forecast through the weekend. Warmer than normal highs will linger
into Saturday with temps in the upper 80s to lower 90s. They will
cool a tad on Saturday, remaining below 90 degrees.
&&
.AVIATION...
(06Z TAFS)
Issued at 1132 PM CDT Sun Sep 14 2025
The forecast will keep VFR flight weather conditions at both KMSL
and KHSV. However, isolated SHRA and TSRA in middle TN may clip
far northwest AL through this morning. The probability is too low
to include at KMSL at this time.
&&
.HUN WATCHES/WARNINGS/ADVISORIES...
AL...None.
TN...None.
&&
$$
NEAR TERM...17
SHORT TERM....JMS
LONG TERM....JMS
AVIATION...17

NWS HUN Office Area Forecast Discussion