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Urbandale, Iowa 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Urbandale IA
National Weather Service Forecast for: Urbandale IA
Issued by: National Weather Service Des Moines, IA
Updated: 9:07 pm CDT Aug 17, 2025
 
Tonight

Tonight: A 30 percent chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 74. South southeast wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Monday

Monday: A 30 percent chance of showers and thunderstorms, mainly before 8am.  Partly sunny, with a high near 91. Heat index values as high as 101. South wind 6 to 10 mph becoming west in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Northwest wind around 6 mph becoming south in the evening.
Slight Chance
T-storms
Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 87. North wind 3 to 6 mph.
Slight Chance
T-storms
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 65. North northeast wind around 6 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 82.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 62.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 81.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 61.
Mostly Clear
Lo 74 °F Hi 91 °F Lo 72 °F Hi 87 °F Lo 65 °F Hi 82 °F Lo 62 °F Hi 81 °F Lo 61 °F

Hazardous Weather Outlook
 

Tonight
 
A 30 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 74. South southeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 91. Heat index values as high as 101. South wind 6 to 10 mph becoming west in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Northwest wind around 6 mph becoming south in the evening.
Tuesday
 
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. North wind 3 to 6 mph.
Tuesday Night
 
Mostly clear, with a low around 65. North northeast wind around 6 mph.
Wednesday
 
Sunny, with a high near 82.
Wednesday Night
 
Mostly clear, with a low around 62.
Thursday
 
Sunny, with a high near 81.
Thursday Night
 
Mostly clear, with a low around 61.
Friday
 
Sunny, with a high near 84.
Friday Night
 
Partly cloudy, with a low around 62.
Saturday
 
Sunny, with a high near 78.
Saturday Night
 
Mostly clear, with a low around 55.
Sunday
 
Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Urbandale IA.

Weather Forecast Discussion
219
FXUS63 KDMX 180044
AFDDMX

Area Forecast Discussion
National Weather Service Des Moines IA
744 PM CDT Sun Aug 17 2025

 ...Updated for the 00z Aviation Discussion...

.KEY MESSAGES...

- Muggy conditions into Monday, then more comfortable in the
  low to mid 80s mid to late week.

- Thunderstorms across northern Iowa this evening and overnight,
  becoming scattered across much of Iowa on Monday. Severe
  chances are low, but a few stronger storms may produce gusty
  winds or hail.

&&

.DISCUSSION...
Issued at 232 PM CDT Sun Aug 17 2025

Convection early this morning largely remain north of the area aside
from a few isolated thunderstorms that crept into northern
Iowa. These have dissipated this afternoon, but with the warm
front a little further south the temperatures across northern
Iowa have remained in the low 80s. Into central and southern
Iowa temperatures have again soared into the upper 80s to low
90s with dewpoints in the mid to upper 70s. Similar temperatures
are expected on Monday, however there is some uncertainty how
much lingering convection (discussed next) will impact highs.
Right now it appears there will be a lull in convection from
late morning through the afternoon, allowing for plenty of
warming. Should showers hang around longer, temperatures will
likely be several degrees cooler than currently forecast.

Next up are convective trends. Right now the warm front is draped
across north central Iowa roughly near the highway 20 corridor. As
this lifts north there`s a chance for isolated convection to develop
on the boundary, aided by more than sufficient instability (3000+
J/kg MLCAPE). Shear remains the limiting factor at under 30 kts and
should prevent more robust storm organization this afternoon and
evening.

Later tonight the wave with ongoing convection across South Dakota
slides into northwest Iowa. Initial convection is expected to be the
most robust with gusty wind the primary hazard. This line pushes
east through the overnight across northern Iowa as a secondary low
lifts into the area out of Nebraska and merges with the line. This
wave will progress across Iowa through Monday morning, diminishing
in strength through the morning as support from the low level
jet tapers off. By afternoon diurnal heating is expected to
reignite convection along the boundary. Right now this placement
looks to be across southeast Iowa, however placement could
shift towards central Iowa depending on haw quickly the boundary
progresses.

Temperatures cool behind the wave with highs in the low 80s
middle to end of the week. It`s also quiet with the next chance
for precipitation not arriving until next weekend.

&&

.AVIATION /00Z TAFS THROUGH 00Z TUESDAY/...
Issued at 739 PM CDT Sun Aug 17 2025

A cluster of storms will continue to impact portions of far nrn
IA, including KMCW thru 02Z-03Z. Expect brief MVFR/IFR
conditions as storms move thru. Otherwise, expect VFR
conditions at the other terminals through at least 08Z. Its
possible another cluster of storms moves into the area from
from the SD/NE after 08Z. Low confidence on thunderstorm
coverage and timing, but did keep the PROB30 mention in most
terminals for now, and will fine tune later this
evening/overnight. Storm chances may linger into the early
morning hours, but even lower confidence during that period.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

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






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