IND issues Area Forecast Discussion (AFD) at Oct 22, 9:43 AM EDT
370
FXUS63 KIND 221343
AFDIND
Area Forecast Discussion
National Weather Service Indianapolis IN
943 AM EDT Thu Oct 22 2026
.KEY MESSAGES...
- Dry yet pleasant fall weather continues through this weekend...
seasonably cool early mornings, above normal afternoon highs
- Dry pattern will include non-zero chances for showers next
Tuesday- Wednesday
&&
.FORECAST UPDATE...
Issued at 942 AM EDT Thu Oct 22 2026
The forecast remains in good shape with only minor adjustments
needed. Latest observations this morning depict patchy fog has
largely mixed out under sunny skies. Surface high pressure across
the region will continue to promote quiet weather conditions. Look
for plentiful sunshine to warm temperatures into the low 70s once
again while winds remain light out of the northeast. Diurnal mixing
should result in min RH values of around 25 to 40 percent during the
afternoon.
&&
.DISCUSSION (Today through Wednesday)...
Issued at 310 AM EDT Thu Oct 22 2026
Broad and stacked high pressure will be the rule over much of the
central and eastern CONUS through this weekend as an amplified H500
ridge builds north over much of North America...before flattening
under zonal northern flow, to the Midwest and points south by early
next week. Upper ridge axis mainly west/near IN and corresponding
large surface high slowly twisting its center from Great Lakes to
Mid-Atlantic...will keep skies mainly clear, winds light while
veering from northeast today to southerly by Sunday, humidity
seasonably low, and temperatures slightly above normal ranging from
40s to low 70s over most locations. Patchy pre-dawn/early morning
fog will pose a potential impact for morning commuters.
Lower confidence in last third of forecast period given model
inconsistency in handling disorganized upstream short waves across
northern CONUS/southern Canada. That said, a potent system this
weekend spinning into Hudson Bay will likely be followed by cooler
air mass, directly by overall zonal flow into Ontario/northern Great
Lakes. Question will be position and strength of disturbance
possibly tracking to its south...probably across Midwest into the
mid-week. Higher certainty in considerable cloudiness, lower
confidence in any organized rain with forcing still retracted
north...and perhaps a continuation of above normal afternoon highs
nearing 70F to end the period.
&&
.AVIATION (12Z TAF Issuance)...
Issued at 655 AM EDT Thu Oct 22 2026
Impacts:
- MVFR/worse visibility in FG possible outside of KIND through 13Z
Discussion:
Remnant MVFR/worse visibility, following pre-dawn fog, is possible
at mainly KLAF/KHUF through 13Z this morning.
VFR conditions will otherwise prevail through the TAF period near
central Indiana terminals...as ridging is maintained at surface
while also strengthening aloft. Mainly clear skies will be the
rule under strong subsidence through the dry column.
Overall light winds to display a subtle upward trend in speed from
last several days...with flow from 020-060 degrees today sustained
up to 8KT at KIND and 4-6KT elsewhere. Expect flow at/below 5KT
after 00Z Friday.
&&
.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
UPDATE...Melo
AVIATION...AGM
DISCUSSION...AGM
Source: IND issues Area Forecast Discussion (AFD) at Oct 22, 9:43 AM EDT (https://mesonet.agron.iastate.edu/p.php?pid=202610221343-KIND-FXUS63-AFDIND)
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