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Ames, Iowa 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Ames IA
National Weather Service Forecast for: Ames IA
Issued by: National Weather Service Des Moines, IA
Updated: 2:21 pm CDT Jul 12, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 81. West northwest wind around 9 mph.
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm  in the evening.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 85. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 64. South southwest wind 3 to 7 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 89. Calm wind becoming south around 6 mph in the morning.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 68.
Mostly Clear

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89.
Sunny then
Slight Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers, with thunderstorms also possible after 1am.  Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.
Chance
T-storms

Hi 81 °F Lo 59 °F Hi 85 °F Lo 64 °F Hi 89 °F Lo 68 °F Hi 89 °F Lo 69 °F Hi 85 °F

Hazardous Weather Outlook
 

This Afternoon
 
Mostly sunny, with a high near 81. West northwest wind around 9 mph.
Tonight
 
Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm in the evening.
Sunday
 
Sunny, with a high near 85. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
 
Mostly clear, with a low around 64. South southwest wind 3 to 7 mph.
Monday
 
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the morning.
Monday Night
 
Mostly clear, with a low around 68.
Tuesday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Tuesday Night
 
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Wednesday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
 
Partly sunny, with a high near 80.
Thursday Night
 
Partly cloudy, with a low around 62.
Friday
 
Partly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Ames IA.

Weather Forecast Discussion
014
FXUS63 KDMX 121948
AFDDMX

Area Forecast Discussion
National Weather Service Des Moines IA
248 PM CDT Sat Jul 12 2025

.KEY MESSAGES...

- Some near surface smoke possible near the state line this
  afternoon (40% confidence) with much of the smoke remaining
  aloft this weekend.

- <20% chance of showers and storms across the north Sunday
  afternoon. Again in the northeast on Monday afternoon.

- Next best chance of rain arrives by midweek.

&&

.DISCUSSION...
Issued at 245 PM CDT Sat Jul 12 2025

The low-level moisture fetch has been shoved to the south and east
this morning, leaving little for the passing wave to the northeast
to tap into. We`re left with some midlevel cloud debris as well as
smoke in the upper levels. Some of this will reach the surface
via post-frontal subsidence this afternoon near the IA-MN state
line, but much of this will miss much of IA and instead be
carried around the high pressure center and back towards the
north. There is another weak wave that will dive into the
Central Plains from Colorado this afternoon and reinforce the
block of Gulf moisture along with the redirection of smoke
mentioned earlier.

The aforementioned central Plains wave keeps the low-level moisture
away from the area for at least the first half of the week, but it
will also put the state in northwest flow and open us up to a series
of waves from Canada. The LLJ will also reemerge into the
Northern Plains later on Monday. It will intersect with a system
that is forecasted to impact Minnesota, later dragging its cold
front (and the main moisture axis) across Iowa on Tuesday night
into Wednesday. This front will then stall somewhere near
southern Iowa, hence the broad rain and storm chances for the
remainder of the week.

&&

.AVIATION /18Z TAFS THROUGH 18Z SUNDAY/...
Issued at 1243 PM CDT Sat Jul 12 2025

BKN deck across the southeast will become SCT and VFR this hour
as the atmosphere mixes. Short-lived MVFR from HZ possible at
times this afternoon. Transient enough to leave it out of the
TAF, but will monitor the short term. Additional smoke should
stay aloft across the north, hence the high-level ceiling
preserved for the period. KALO and KDSM may see fog tonight as
winds become light. Have left as BCFG for now, but will evaluate
for VSBY restrictions for the next issuance.

&&

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

&&

$$

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






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