textproduct: Omaha/Valley

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

- Hot and humid today with heat indices in the 95 to 105 range. The highest indices are expected in southeast Nebraska and far southwest Iowa.

- Low chance (15-30%) for some scattered showers and storms in northeast Nebraska early Wednesday morning. A few storms could be strong with gusty winds.

- Widespread showers and storms arrive late Wednesday (60-80% chance) into Thursday. Some storms could be severe with strong winds, hail, and heavy rain.

- Periodic shower and storm chances continue through the weekend into early next week. Cooler temperatures arrive by Sunday and Monday.

LONG TERM /THURSDAY THROUGH MONDAY/

Showers and storms will be ongoing Thursday morning, tapering off by the afternoon. Highs for most areas cool to the upper 70s and 80s, with a few spots reaching 90F along our southern border. Will see more redevelopment of showers and storms by Thursday evening into Friday (50 to 80% chance along and north of the Platte River) as continued warm advection and another mid level impulse moves into the area. Some severe potential exists too, largely over our southern area where the best shear and instability overlap.

Periodic shower and storm chances are forecast for much of the extended as the H5 ridge finally pushes toward the southeast CONUS, placing us in southwesterly flow with several disturbances moving through. At this time, the best chances appear to be Friday night into Saturday (30-50%) and Saturday night into Sunday (50-70%). Highs Friday and Saturday warm to the 80s/low 90s, while by Sunday and Monday, cooler temps arrive in the mid 70s to low 80s.

AVIATION /00Z TAFS THROUGH 00Z THURSDAY/

Issued at 620 PM CDT Tue Aug 11 2026

VFR conditions favored through the period, though could see FEW to SCT clouds around 2000-3000 ft agl from late Wednesday morning through the afternoon. In addition, expect ongoing storms across the western Dakotas to track toward the area Wednesday morning, but latest guidance keeps them north of the TAF sites, so did not include mention at this time. Otherwise, expect winds to remain under 10 kts, consistently easterly to northeasterly at OFK, and southeasterly to start at LNK and OMA, but eventually northeasterly Wednesday morning.

OAX WATCHES/WARNINGS/ADVISORIES

NE...None. IA...None.

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