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Decatur, Alabama 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 2 Miles NNE Decatur AL
National Weather Service Forecast for: 2 Miles NNE Decatur AL
Issued by: National Weather Service Huntsville, AL
Updated: 7:50 pm CDT Jun 15, 2025
 
Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am.  Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.
Chance
T-storms

Monday

Monday: Showers and thunderstorms likely, mainly after 4pm.  Partly sunny, with a high near 88. South southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
T-storms
Likely
Monday
Night
Monday Night: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am.  Low around 71. South southwest wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
T-storms then
Showers
Likely
Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%.
Showers
Likely then
T-storms
Likely
Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. South wind around 5 mph.
Slight Chance
T-storms

Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Slight Chance
T-storms then
Chance
T-storms
Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74.
Partly Cloudy
then Slight
Chance
T-storms
Juneteenth

Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 89. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 71.
Chance
T-storms

Lo 71 °F Hi 88 °F Lo 71 °F Hi 87 °F Lo 73 °F Hi 91 °F Lo 74 °F Hi 89 °F Lo 71 °F

 

Tonight
 
A 40 percent chance of showers and thunderstorms, mainly between midnight and 3am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.
Monday
 
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 71. South southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph.
Wednesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Wednesday Night
 
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Juneteenth
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 89. Chance of precipitation is 80%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Friday
 
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Friday Night
 
Mostly clear, with a low around 71.
Saturday
 
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Saturday Night
 
Mostly clear, with a low around 74.
Sunday
 
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.

 

Forecast from NOAA-NWS for 2 Miles NNE Decatur AL.

Weather Forecast Discussion
873
FXUS64 KHUN 152310
AFDHUN

Area Forecast Discussion
National Weather Service Huntsville AL
610 PM CDT Sun Jun 15 2025

...New AVIATION...

.NEAR TERM...
(Tonight)
Issued at 332 PM CDT Sun Jun 15 2025

Stubborn stratus/strata-cumulus that covered much of the area in
the morning and early afternoon, including along the AL/TN
border for the most part has finally scattered out. Because of
those clouds, temperatures over NW AL have warmed into the
mid/upper 80s. Areas formerly under those clouds were a bit
cooler, in the mid 80. Surface heating and resultant instability
has resulted in the formation of isolated showers, mainly across
parts of NW AL. A more organized area of showers/storms were in
progress from south/central MS to west/central AL. Movement of
this activity was east 15-20 mph.

Output from the various CAM solutions, taken together would
suggest isolated to scattered thunderstorms late this afternoon
into the evening. "General" intensity storms are expected with
weak shear and minimal upper support. Shower coverage should
become more isolated as we go into the late night. Low temps
tonight should be in the mid 60s to around 70 with light southerly
winds. Winds should stay up in the 5 mph range, along with an
expected redevelopment of stratus, which should help keep fog
formation minimized.

&&

.SHORT TERM...
(Monday through Tuesday Night)
Issued at 1046 AM CDT Sun Jun 15 2025

Not much change in the local weather pattern as we head into the
start of a new work week. A series of shortwaves will traverse
through the area, each bringing some extra lift needed to get
showers and storms to develop. Medium to high chances of precip is
forecast both Monday and Tuesday with the highest probabilities
being during the peak heating hours. Cannot rule out some stronger
storms with instability climbing to around 2000 J/kg each
afternoon. Weak shear will likely limit the severe potential, but
as is typical with these airmasses, remnant outflow boundaries
will need to be watched for locally enhancing some storms.
Temperatures both Monday and Tuesday will rise into the mid to
upper 80s with overnight lows in the upper 60s to lower 70s.

&&

.LONG TERM...
(Wednesday through Saturday)
Issued at 953 PM CDT Sat Jun 14 2025

A Bermuda High will begin to nose into the Carolinas and Deep
South mid to late week, helping to promote a slightly stronger
southerly flow across the Tennessee Valley and lower Mississippi
Valley. This will help to reinforce this warm/moist air mass --
and also result in a gradual increase in temperatures each day
with plenty of heating helping to nudge highs back into the upper
80s and lower 90s Wednesday and Thursday and the low to mid 90s by
Friday and Saturday. The combination of the tropical air mass and
warmer temperatures will push heat index values into the upper
90s midweek and above 100 degrees late week. Additionally, plenty
of moisture will remain in place underneath this ridge, with
medium chances of diurnally driven convection in the forecast
each afternoon/evening.

&&

.AVIATION...
(00Z TAFS)
Issued at 610 PM CDT Sun Jun 15 2025

Thunderstorms are forecast to linger in the vicinity of HSV
airport through 01Z before dry weather returns to the area.
Otherwise, dry conditions are forecast through both TAF sites
overnight with VFR conditions. Monday afternoon, a PROB30 group
was added for thunderstorms during peak heating hours. While PoP
chances are medium (~60%) during that time, confidence in
thunderstorms at the terminals is not high enough at this time to
add it in as a line within the TAF package yet as coverage will
likely be scattered.

&&

.HUN WATCHES/WARNINGS/ADVISORIES...
AL...None.
TN...None.
&&

$$

NEAR TERM...RSB
SHORT TERM....GH
LONG TERM....AMP
AVIATION...HC
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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