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Boone, Iowa 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 3 Miles WSW Boone IA
National Weather Service Forecast for: 3 Miles WSW Boone IA
Issued by: National Weather Service Des Moines, IA
Updated: 4:36 pm CDT Jul 6, 2025
 
Tonight

Tonight: Mostly clear, with a low around 66. North wind 5 to 7 mph becoming calm  in the evening.
Mostly Clear

Monday

Monday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 84. Light and variable wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
T-storms
Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Light south wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
Likely
Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.  New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 86.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 65.
Mostly Clear

Thursday

Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 86.
Slight Chance
T-storms

Thursday
Night
Thursday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Lo 66 °F Hi 84 °F Lo 66 °F Hi 83 °F Lo 64 °F Hi 86 °F Lo 65 °F Hi 86 °F Lo 68 °F

 

Tonight
 
Mostly clear, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.
Monday
 
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Sunny, with a high near 86.
Wednesday Night
 
Mostly clear, with a low around 65.
Thursday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
 
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Friday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
 
Sunny, with a high near 81.
Saturday Night
 
Mostly clear, with a low around 61.
Sunday
 
Sunny, with a high near 83.

 

Forecast from NOAA-NWS for 3 Miles WSW Boone IA.

Weather Forecast Discussion
367
FXUS63 KDMX 061924
AFDDMX

Area Forecast Discussion
National Weather Service Des Moines IA
224 PM CDT Sun Jul 6 2025

.KEY MESSAGES...

- Thunderstorms reach western Iowa on Monday morning with more
  widespread thunderstorms in the evening and into Tuesday. A
  few stronger storms are possible, however the overall severe
  threat is low.

- Additional chances for thunderstorms by Thursday and through
  the end of the week into next weekend.

&&

.DISCUSSION...
Issued at 224 PM CDT Sun Jul 6 2025

Lingering fog this morning diminished quickly with sunrise but
moisture has lingered over the area. This afternoon dewpoints have
been in the upper 60s to mid 70s across the area, something pretty
evident if you step outside today. With plenty of moisture around,
low cumulus has bloomed across the area. Conditions are pretty
unstable out there with only a weak boundary out across far eastern
Iowa. CAMs have picked up on this and most develop spotty convection
late this afternoon and evening for our neighbors over in the Quad
Cities CWA. Closer to home there is little forcing of note, but with
so much instability to work with, subtle small scale features could
result in a very isolated shower or t-storm popping in southern Iowa
today.

An overnight MCS across Nebraska is then expected to reach far
western Iowa Monday morning, moving across central Iowa into the
afternoon. As instability increases into the afternoon with
1500+ J/KG of available MLCAPE, expect some restrengthening of
the storms with this wave, even though shear remains quite low.
Later convection across South Dakota is expected to have grown
upscale into an MCS, approaching northwest Iowa by evening.
Again, 0-6 km shear remains low, under 20 kts in most cases, so
storms will struggle to organize, but the MCS is expected to
ride the instability gradient into Iowa through the overnight.
The question is where this gradient and any remnant outflows
from earlier convection set up. There is also indication that
afternoon convection in Nebraska will grow upscale and into Iowa
in the evening, but CAMs continue to struggle with little flow
available. Some, like the NAM nest and ARW , attempt to combine
the SD and NE convection into a larger line across the area late
Monday night and thorugh Tuesday while the HRRR favors keeping
the activity separate. Others like the RAP and Fv3 favor a
scenario where earlier convection delays and weakens the
overnight convection. While the evolution is uncertain, the lack
of shear available to help organize storms should mitigate most
of the severe risk. A few stronger storms are possible, along
with pockets of heavier rain with PWATs over 2" and deep warm
cloud depths for efficient rain production.

High pressure provide a reprieve mid week, but by Thursday and into
the weekend an approaching more robust shortwave passes across the
area. The better forcing, for now, appears to be concentrated north
of the area. We`ll have to watch how this evolves later this week as
available AI and ML data indicates some severe potential into the
area. As continues to be the case, efficient rain production
looks likely regardless of severe potential with PWATs exceeding
2 inches.

&&

.AVIATION /18Z TAFS THROUGH 18Z MONDAY/...
Issued at 1249 PM CDT Sun Jul 6 2025

Diurnally driven scattered cumulus around 3000 ft will last
through the afternoon before diminishing later this evening. VFR
conditions will persist through the TAF period.

&&

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

&&

$$

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






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