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Blytheville, Arkansas 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Blytheville AR
National Weather Service Forecast for: Blytheville AR
Issued by: National Weather Service Memphis, TN
Updated: 8:45 pm CDT Mar 30, 2025
 
Tonight

Tonight: Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe and produce heavy rainfall.  Mostly cloudy, with a low around 49. West southwest wind around 10 mph becoming north after midnight.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Severe
T-Storms

Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 10 to 15 mph.
Decreasing
Clouds

Monday
Night
Monday Night: Mostly clear, with a low around 42. Northeast wind 5 to 10 mph.
Mostly Clear


Tuesday

Tuesday: Sunny, with a high near 72. East southeast wind 5 to 10 mph.
Sunny


Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 63. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms and
Breezy
Wednesday

Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe.  High near 85. Windy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Windy. Slight
Chance
Showers then
Severe
T-Storms
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall.  Low around 64. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.
Severe
T-Storms
and Breezy

Thursday

Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 74. South southeast wind 10 to 15 mph.  Chance of precipitation is 90%.
Heavy Rain


Thursday
Night
Thursday Night: Showers and possibly a thunderstorm.  Low around 61. Chance of precipitation is 80%.
T-storms


Lo 49 °F Hi 62 °F Lo 42 °F Hi 72 °F Lo 63 °F Hi 85 °F Lo 64 °F Hi 74 °F Lo 61 °F

Tornado Watch
 

Tonight
 
Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 49. West southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
 
Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind 10 to 15 mph.
Monday Night
 
Mostly clear, with a low around 42. Northeast wind 5 to 10 mph.
Tuesday
 
Sunny, with a high near 72. East southeast wind 5 to 10 mph.
Tuesday Night
 
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 63. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
 
A slight chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. High near 85. Windy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 64. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. South southeast wind 10 to 15 mph. Chance of precipitation is 90%.
Thursday Night
 
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Friday
 
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Friday Night
 
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 90%.
Saturday
 
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Saturday Night
 
Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
 
A 40 percent chance of showers. Mostly cloudy, with a high near 61.

 

Forecast from NOAA-NWS for Blytheville AR.

Weather Forecast Discussion
933
FXUS64 KMEG 310149
AFDMEG

Area Forecast Discussion
National Weather Service Memphis TN
849 PM CDT Sun Mar 30 2025

...New UPDATE...

.KEY MESSAGES...
Updated at 845 PM CDT Sun Mar 30 2025

-Severe thunderstorms will move through the Mid-South this evening
 through the early morning hours on Monday. Damaging winds,
 tornadoes, large hail and flash flooding will be possible.

-Dry and cool conditions are forecast Monday and Tuesday.

-An active weather pattern will reemerge Wednesday and persist
 through next weekend. Multiple rounds of strong thunderstorms
 will produce potential for significant flooding, especially along
 and north of Interstate 40. In addition, thunderstorms may bring
 damaging winds and tornadoes. By the end of next weekend, 7 to
 12 inches of rainfall is expected north of Interstate 40, with 3
 to 7 inches to the south.


&&

.UPDATE...
Issued at 845 PM CDT Sun Mar 30 2025

Severe thunderstorms continue to track east across portions of
east Arkansas and west Tennessee. Have cleared portions of
northeast Arkansas and the Missouri bootheel from Tornado Watch
72. Added counties in west Tennessee to Tornado Watch 78 which
expires at 3:00 AM CDT Monday morning. Remainder of forecast looks
good.

ARS

&&

.DISCUSSION...
(This evening through next Saturday)
Issued at 345 PM CDT Sun Mar 30 2025

Primary concern remains short term severe weather threat.
Several hours of clearing over AR have allowed surface-based CAPE
to build in excess of 3000 J/kg, as measured by the 18Z LZK
sounding. This sounding also showed an elevated mixed layer (EML),
yielding very steep midlevel lapse rates of 9.3 C/km. Deep moist
convection has been capped thus far by the EML, but this capping
should weaken as the EML translates east in tandem with an
approaching midlevel trough. The LZK sounding measured 0-3km SRH
of 180 m2/s2, but this should increase with the development of a
45KT low level jet over the delta after 22Z. This low level jet
will largely be responsible for Energy Helicity Index (EHI) and
Significant Tornado Parameter (STP) ramping up over delta by
sunset. 18Z HRRR depicts the STP increasing to 5-8 over the
Memphis metro between 8-10PM CDT / 01-03Z. STP values this high
indicate a potential for strong, long-track tornadoes.

By midnight, convection mode will transition to quasi-linear,
as a midlevel shortwave lifts eastward into the Ohio River
Valley. Orientation of the QLCS will roughly orient parallel to
I-40, as it sinks south into north MS after midnight. Wind threat
will likely increase over north MS during the overnight, with
the approach of an upstream shortwave trough from TX. Post-
midnight HRRR hodographs over northeast MS indicate a likelihood
of embedded supercells and tornadoes through 3-4 AM.

Relatively quiet zonal flow aloft will prevail Monday and Tuesday.
By Tuesday night, low level return flow will develop and intensify
under increasingly diffluent flow aloft. By Wednesday afternoon,
a longwave trough will occupy the western two-thirds of the CONUS.
The Midsouth will remain under southwest flow aloft, situated
between the longwave trough and a 589 DM 500mb Bermuda high.
This setup will prevail through late week, slowly becoming more
amplified. A belt of midlevel Pacific tropical moisture will
combine with surface dewpoints in the 60s to produce PWAT values
around 2 inches over the Midsouth, at the maximum value of
climatology. A quasi-stationary surface front will extend across
AR into the lower OH River Valley, oscillating as a series of
shortwaves eject from the western trough. Multiple rain events
will combine to produce weekly rainfall totals of 7 to 12 inches
north of I-40, and 3 to 7 inches to the south. In addition to a
river and areal flooding threat, damaging winds will be possible.
In particular, Wednesday stands out, with LREF mean surface based
CAPE of 2000 J/kg and mean 0-3 km SRH of 270 m2/s2 along and south
of I-40.

By late next weekend into early the following week, a deepening
northern branch longwave trough over the eastern CONUS will
displace the tropical moisture fetch and allow a relatively strong
surface cold front to pass. The cooler and drier conditions will
prevail for several days as we wrap up the first week of April.

PWB

&&

.AVIATION...
(00Z TAFS)
Issued at 607 PM CDT Sun Mar 30 2025

A line of showers and thunderstorms will sweep across the Midsouth
this evening, lasting through the overnight hours. 01-03Z at JBR,
04z at MKL and MEM, and 07-08z at TUP looks to the the greatest
impact although storms could develop ahead of the main line.
Showers will likely continue behind the line. IFR to MVFR cigs are
likely through the night. South to southwest winds around 15 kts
tonight will shift from the northwest before sunrise at around
10kts. VFR conditions will prevail at all sites after 15z
tomorrow.

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...None.
MO...None.
MS...None.
TN...None.
&&

$$

PUBLIC FORECAST...PWB
AVIATION...JDS
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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