textproduct: Indianapolis
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Dry weather expected today through the middle of next week.
- Near-average temperatures through the weekend into next week.
DISCUSSION (This evening through Thursday)
Issued at 251 PM EDT Thu May 28 2026
Ensemble guidance is in good agreement depicting a jet pattern which will limit significant weather through the forecast period. A strong ridge is taking shape over the Plains and is modeled to evolve into an Omega Block. Such a pattern forces storm systems to move up and over, which would send the active storm track into Canada. Indiana would be located within the eastern edge of the larger upper-level ridge. At the surface, persistent high pressure over the Great Lakes will enhance the subsident nature of the atmosphere.
As such, generally dry and quiet weather is anticipated through the weekend and into next week. Despite strong ridging just to our west, the position of the surface high should lead to an east to east- northeasterly wind. This should keep temperatures from getting too far above normal, with highs in the upper 70s to near 80 each day through the middle of next week. Lows look to be near normal as well, with reading generally in the mid to upper 50s each night. Nightly fog may be possible near rivers and in typical fog-prone areas.
Some rain showers may get very close to the southwestern portion of our CWA late Friday into Saturday. These showers appear to originate from broad surface troughing extending southeastward from a lee cyclone along the front range of the Rockies. Guidance does not indicate much eastward progression of this area of forcing, owing to the strong high pressure of the Great Lakes. We will keep precipitation chances out of the forecast for now.
AVIATION (18Z TAF Issuance)
Issued at 115 PM EDT Thu May 28 2026
Impacts:
- None.
Discussion:
VFR conditions expected.
Surface high pressure over the Great Lakes will provide a northerly wind today. Winds gradually become northeasterly, and then easterly on Friday, as the high slides eastward.
High cirrus from thunderstorm activity over the Great Plains will be present at times through Friday. Periodic VFR ceilings over 20,000 feet are possible.
IND WATCHES/WARNINGS/ADVISORIES
None.
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