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Le Mars, Iowa 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Le Mars IA
National Weather Service Forecast for: Le Mars IA
Issued by: National Weather Service Sioux Falls, SD
Updated: 10:32 am CST Nov 21, 2024
 
Today

Today: Mostly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
Tonight

Tonight: Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 42. Calm wind becoming west northwest around 5 mph.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 23. Calm wind becoming east around 5 mph.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 46. Southeast wind 5 to 10 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 32. Southeast wind 5 to 10 mph.
Mostly Cloudy
Sunday

Sunday: Partly sunny, with a high near 47.
Partly Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 20.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 33.
Mostly Sunny
Hi 36 °F Lo 20 °F Hi 42 °F Lo 23 °F Hi 46 °F Lo 32 °F Hi 47 °F Lo 20 °F Hi 33 °F

Hazardous Weather Outlook
 

Today
 
Mostly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
Mostly sunny, with a high near 42. Calm wind becoming west northwest around 5 mph.
Friday Night
 
Partly cloudy, with a low around 23. Calm wind becoming east around 5 mph.
Saturday
 
Mostly sunny, with a high near 46. Southeast wind 5 to 10 mph.
Saturday Night
 
Mostly cloudy, with a low around 32. Southeast wind 5 to 10 mph.
Sunday
 
Partly sunny, with a high near 47.
Sunday Night
 
Mostly cloudy, with a low around 20.
Monday
 
Mostly sunny, with a high near 33.
Monday Night
 
Mostly clear, with a low around 14.
Tuesday
 
Mostly sunny, with a high near 34.
Tuesday Night
 
Partly cloudy, with a low around 17.
Wednesday
 
Partly sunny, with a high near 32.

 

Forecast from NOAA-NWS for Le Mars IA.

Weather Forecast Discussion
946
FXUS63 KFSD 211136
AFDFSD

Area Forecast Discussion
National Weather Service Sioux Falls SD
536 AM CST Thu Nov 21 2024

.KEY MESSAGES...

- An extended period of quiet weather through the weekend is
  likely. Temperatures gradually warm back into the 30s to 40s
  during this time.

- Progressive flow pattern develops for the week of
  Thanksgiving, potentially suggesting more active weather next
  week.

&&

.DISCUSSION...
Issued at 316 AM CST Thu Nov 21 2024

Quiet, yet breezy, conditions continue across the region, with
latest observations showing northwesterly gusts between 25 to 35 MPH
and temperatures in the 20s. Wind chills have also begun to plummet,
resulting in values in the teens to single digits.

As alluded to in the previous discussion, expect upper level ridging
to build across the Plains today, allowing the SPG to gradually
weaken. Nonetheless, will still see gusts between 20 to 30 MPH
persist for much of the day under a lingering stratus deck,
especially in areas east of I-29. Thus, only have highs rising into
the low to mid 30s, the coldest occurring north of I-90 in areas of
higher elevation.

Should see more clearing overnight, with winds progged to become
light and variable. While some patchy fog may certainly be possible
given the recent moisture in place, think the bigger impact will be
overnight lows falling into teens with the aid of efficient
radiational cooling. That being said, should see temperatures
rebound into the mid 30s to 40 by Friday afternoon under partly
cloudy skies.

Upper level ridging amplifies across the central CONUS this weekend,
keeping conditions dry and cool across our area. Still seeing decent
agreement in guidance that a moisture starved cold front will dive
across the Dakotas Saturday night into Sunday, causing southeasterly
winds to turn northwesterly in the wake of FROPA. Do have gusts
increasing to 20 to 35 MPH along and west of I-29 during this time,
the strongest occurring west of the James River Valley.

Temperatures flip back below normal early next week as upper
troughing deepens and moves into the Great Lakes.  Stronger
northwesterly winds and cold advection aloft results in highs in the
20s to lower 30s for much of the new week. Taking a peek ahead in
the forecast suggests that we may trend towards a more progressive
zonal flow pattern into Thanksgiving. This type of pattern can bring
greater potential for more frequent, fast moving waves with rather
poor predictability, through the Plains.

&&

.AVIATION /12Z TAFS THROUGH 12Z FRIDAY/...
Issued at 536 AM CST Thu Nov 21 2024

Breezy northwesterly winds continue across the region, with latest
satellite imagery showing a lingering stratus deck across much of
our area. As a result, have cigs ranging between MVFR to VFR levels,
with isolated pockets of IFR across southwest Minnesota. Guidance
continues to hang onto the stratus for much of the morning, thus,
wouldn`t anticipate seeing widespread return to VFR until at least
this afternoon. Gusts during this time look to range between 20 to
30 MPH, the strongest occurring east of I-29. Otherwise, look for
winds to quickly diminish through the evening, allowing light and
variable winds to prevail overnight.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...None.
MN...None.
IA...None.
NE...None.

&&

$$

DISCUSSION...SST
AVIATION...SST
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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