Trussville, Alabama 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Alton AL
National Weather Service Forecast for:
Alton AL
Issued by: National Weather Service Birmingham, AL |
Updated: 12:36 am CDT Jul 18, 2025 |
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Overnight
 Partly Cloudy
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Friday
 Slight Chance T-storms then T-storms Likely
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Friday Night
 Chance T-storms then Partly Cloudy
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Saturday
 Slight Chance T-storms then Chance T-storms
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Saturday Night
 Slight Chance T-storms
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Sunday
 Mostly Sunny then Chance T-storms
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Sunday Night
 Partly Cloudy
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Monday
 Chance T-storms
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Monday Night
 Partly Cloudy
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Lo 72 °F |
Hi 91 °F |
Lo 72 °F |
Hi 91 °F |
Lo 73 °F |
Hi 91 °F |
Lo 74 °F |
Hi 92 °F |
Lo 73 °F |
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Overnight
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Partly cloudy, with a low around 72. Calm wind. |
Friday
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A slight chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Friday Night
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A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. South wind around 5 mph. |
Saturday
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A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph. |
Saturday Night
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A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. |
Sunday
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A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. |
Sunday Night
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Partly cloudy, with a low around 74. |
Monday
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A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. |
Monday Night
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Partly cloudy, with a low around 73. |
Tuesday
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A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. |
Tuesday Night
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Partly cloudy, with a low around 73. |
Wednesday
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A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
Wednesday Night
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Partly cloudy, with a low around 73. |
Thursday
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A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
Forecast from NOAA-NWS
for Alton AL.
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Weather Forecast Discussion
171
FXUS64 KBMX 180519
AFDBMX
Area Forecast Discussion
National Weather Service Birmingham AL
1219 AM CDT Fri Jul 18 2025
...New SHORT TERM, LONG TERM, AVIATION...
.SHORT TERM...
(Today through Saturday)
Issued at 1219 AM CDT FRI JUL 18 2025
Low clouds will work in across the area early this morning but
should mix out by mid to late morning. Highs are forecast to reach
the lower 90s during the afternoon, but similar to yesterday, cloud
cover and afternoon rain and storm chances may work to hold down
temps and heat indices. Heat index values should stay below 105F, so
a Heat Advisory is not warranted.
Latest CAMs show northward moving convection during the
afternoon, partially associated with remains of Invest 93L, which
has moved into Louisiana. Similar to today, the overall intensity
of any thunderstorms should remain on the lower end of the
spectrum, and widespread severe activity is not expected.
Saturday will be similar, temperature-wise. Rain chances may be a
tad lower Saturday afternoon vs. Friday afternoon given current
trends.
12
&&
.LONG TERM...
(Saturday night through next Thursday)
Issued at 1219 AM CDT FRI JUL 18 2025
As Invest 93L drifts around to the west, it should gradually become
more diffuse over the weekend. Still, afternoon convection is
possible over the region each day. Going into next week, guidance
currently supports highest rain chances generally in southern and
eastern areas. A ridge will build back in back early to mid week,
with high temperatures reaching back into the mid 90s. Heat indices
will again be higher, and further issuances of heat products may be
needed. As mentioned in the previous forecast cycle, if the ridge
begins to dominate the region into mid week, current rain chances
each afternoon may decrease and temps may tick up another couple
degrees from current forecast.
12
&&
.AVIATION...
(06Z TAFS)
Issued at 1219 AM CDT FRI JUL 18 2025
Low clouds are likely to develop during the morning hours. Currently
have all sites dropping to MVFR cigs by 09 or 10z, with ceilings
rising by mid to late morning. Shower development is likely during
the afternoon hours, but coverage is questionable. Maintained PROB30
for SHRA vs. prevailing. Thunderstorms are possible but coverage is
not enough to mention at a specific terminal at this time.
NOTE: AMD LTD TO CLD VIS AND WIND has been added at MGM until
further notice due to comms issues.
12
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.FIRE WEATHER...
Fire weather concerns will remain limited, with min RH values
remaining 50-60% or above through the weekend, with values in some
spots dipping into the 40s by mid week. Winds will stay generally
under 10 mph for most of the next week, varying direction with each
day. Rain and storm chances remain in the forecast each afternoon.
&&
.PRELIMINARY POINT TEMPS/POPS...
Gadsden 94 71 93 72 / 70 30 50 20
Anniston 92 72 92 73 / 70 30 40 20
Birmingham 92 74 92 74 / 70 20 50 20
Tuscaloosa 90 75 92 75 / 70 20 50 20
Calera 90 73 92 74 / 70 20 40 20
Auburn 93 73 92 75 / 50 20 30 10
Montgomery 94 74 94 75 / 70 20 40 10
Troy 92 72 93 73 / 60 20 40 10
&&
.BMX WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
SHORT TERM...12
LONG TERM....12
AVIATION...12
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