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Iowa City, Iowa 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Iowa City IA
National Weather Service Forecast for: Iowa City IA
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 1:50 am CDT Apr 25, 2025
 
Overnight

Overnight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. East wind around 5 mph.
Chance
T-storms

Friday

Friday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 3pm.  Mostly cloudy, with a high near 64. North wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
Showers
Likely then
Chance
Showers
Friday
Night
Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 5 to 10 mph, with gusts as high as 20 mph.
Decreasing
Clouds

Saturday

Saturday: Sunny, with a high near 64. Northeast wind around 10 mph.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 43.
Mostly Clear

Sunday

Sunday: Mostly sunny, with a high near 69.
Mostly Sunny

Sunday
Night
Sunday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 59.
Mostly Cloudy
then Chance
Showers
Monday

Monday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 84. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Showers
Likely

Lo 55 °F Hi 64 °F Lo 42 °F Hi 64 °F Lo 43 °F Hi 69 °F Lo 59 °F Hi 84 °F Lo 62 °F

Hazardous Weather Outlook
 

Overnight
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 5 mph.
Friday
 
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 3pm. Mostly cloudy, with a high near 64. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
 
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
Sunny, with a high near 64. Northeast wind around 10 mph.
Saturday Night
 
Mostly clear, with a low around 43.
Sunday
 
Mostly sunny, with a high near 69.
Sunday Night
 
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Monday
 
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Monday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
 
A 30 percent chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
 
Partly cloudy, with a low around 46.
Wednesday
 
Mostly sunny, with a high near 69.
Wednesday Night
 
Partly cloudy, with a low around 49.
Thursday
 
A 30 percent chance of showers. Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Iowa City IA.

Weather Forecast Discussion
954
FXUS63 KDVN 250609
AFDDVN

Area Forecast Discussion
National Weather Service Quad Cities IA IL
109 AM CDT Fri Apr 25 2025

.KEY MESSAGES...

- Scattered showers and isolated storms overnight into Friday.
  Severe storms are not anticipated.

- Seasonable weekend with cool nights on tap.

- Severe storms are possible early next week.

&&

.SHORT TERM /THROUGH SATURDAY/...
Issued at 254 PM CDT Thu Apr 24 2025

Tonight...The latest sfc analysis was indicating a weak boundary
undulating acrs the northern and western CWA, with warm ambient
temperatures in the mid to upper 70s/80. Some instability out there
indicated by the cellular CU field, and there may be a chance for
an isolated shower or storm developing in this field through early
evening. But the MCV noted in current water vapor imagery acrs
central/eastern NE will interact with a better pool of instability
acrs the MO RVR Valley to spawn storm clusters or even an MCS type
feature out that way this evening. As the MCV and 20-30 KT
southwesterly LLJ gets induced ahead of it and migrates eastward
acrs IA, so should the storm clusters. But weaker shear and mid
layer MUCAPEs over this way should make for a general weakening
trend as they arrive from west-to-east thus hopefully limiting much
of any severe threat locally late tonight. However, still feel there
could be some marginally strong cells in the southern CWA after
midnight with hail and gusty winds. PWAT feed of an inch or more
will fuel more locally heavy downpours, but the true heavy rain
threat lies off to the west of the local area of concern acrs
western into central IA in higher convergent/moisture feed zones.
But still see many areas receiving 0.25 to 0.75 of an inch by Friday
morning. Isolated 1 inch amounts on the IA side. Frontal placement
will help low temps range from the upper 40s north, to the upper 50s
south.

Friday...Will walk out the lingering showers off to the east by late
morning, with then increasing post-frontal north winds increasing to
10-20 MPH by the afternoon. Temps continue to range from north to
south as the similar oriented LLVL baroclinicity slips southward.
Friday night looks cool with cloud clear off and ongoing CAA. Lows
in the 40s and even some upper 30s possible in the north.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
Issued at 254 PM CDT Thu Apr 24 2025

Saturday and Sunday...Backdoor sfc high, along with incoming upper
ridging will continue to a fair and rather seasonable Saturday with
highs in the 60s. Sat night will look to be on the cool side in the
low 40s and upper 30s. May have to watch areas that are under the
influence of the ridge longer such as northwest IL where we may dip
into the mid 30s and have possible patchy frost. On Sunday as we get
on the other side of the progressing ridge axis, elevated return
flow may spawn more showers and storms trying to spread in from the
west. But the lingering ridge effects and dry air may erode incoming
activity from the west until there`s better support later Sunday
night. It may also shunt the better precip chances to the north and
northwest, but we may still have to deal with decay debris/clouds in
some portions of the local area. Still a warmer day Sunday with
highs in the upper 60s to low 70s.

Monday through Wednesday...Medium range ensembles continue to show a
large piece of the upstream long wave acrs the western Rockies
ejecting out acrs the plains and upper Midwest Monday into Tuesday.
Plenty of conceptual synoptic scale features suggest this system may
be a severe weather maker, but some of the trends such as positive
tilt to the main upper wave and pre-system deep southwesterly
uniform flow maybe not so tornadic looking at this time. Also like
the previous shift stated, at this far out still plenty of phasing
and timing issues to better define in the coming days, with the
energy center still well off the west coast. Monday looks to be full
blown warm sector with gusty south winds and strong WAA, pumping
temps into the 80s and sfc DPTs in the 60s. So CAPEs will be there
for the kinematics, again it`s timing and placement. This scenario
will bleed into Tuesday with the frontal timing. Current ensembles
that strike our area with Monday evening and overnight storms, then
progress the front through eastward enough for Tuesday convective
redevelopment east and southeast of the DVN CWA. System wake ridging
following the cyclone would bring about dry cooler weather into the
mid week period.

&&

.AVIATION /06Z TAFS THROUGH 06Z SATURDAY/...
Issued at 1254 AM CDT Fri Apr 25 2025

An area of low pressure passing across northern MO into central
IL will bring occasional scattered showers and isolated storms
to the area overnight into Friday. The highest chances for some
measurable rain are at CID and DBQ from late tonight into
Friday AM. Ceilings will deteriorate area-wide late tonight into
Friday morning with periods of MVFR/IFR anticipated to last into
the afternoon/evening.

&&

.HYDROLOGY...
Issued at 1022 AM CDT Thu Apr 24 2025

With recent bouts of heavy rainfall, and possibly more tonight with
increased run-off especially in the upper basins of the Iowa, Wapsi,
and Cedar Rivers, these rivers will likley experience significant in-
bank rises. Some points and stretches of these rivers may also
surpass action stage and even the flood stage into the weekend. But
there is still some uncertainty with respect to tonight`s
placement of additional heavy rainfall amounts, as well as
associated extent of run-off. Since there is still some time to
assess these factors before the potential crests occur, have
issued river flood watches for the Wapsi at De Witt, and the
Iowa River at Marengo.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...None.
IL...None.
MO...None.

&&

$$

SHORT TERM...12
LONG TERM...12
AVIATION...Uttech
HYDROLOGY...12
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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