textproduct: Omaha/Valley

KEY MESSAGES

- There is a 60 to 80% chance for showers and storms for areas along and north of Interstate 80 after midnight tonight. Storms will likely be severe with damaging wind gusts, some of which could be significant (65-80 mph), and heavy rainfall which may lead to flash flooding.

- More showers and storms develop Thursday evening into Friday morning (40-60% chance). Some storms could be strong.

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

LONG TERM /FRIDAY THROUGH TUESDAY/

Disturbances will continue to ride the H5 northwestern periphery of the ridge, resulting in continued chances for showers and storms, likely in the evening and overnight periods. The best chances for storms appear to be early Friday morning (50-70%) in northeast Nebraska and areawide Saturday night into Sunday (50-70%). Some low end potential exists that storms could be strong, particularly Friday. Storm chances persist into Monday and Tuesday, but remain fairly low at less than 30%. Highs on Friday and Saturday remain similar to Thursday's highs, while cooler temperatures in the 70s and 80s arrive for Sunday through Tuesday.

AVIATION /00Z TAFS THROUGH 00Z FRIDAY/

Issued at 622 PM CDT Wed Aug 12 2026

Have made some minor changest to approaching precip:

A) Sped up timing on thunderstorm arrival at KOMA by an hour (now 4am) although that confidence is still low.

B) Removed precip at Lincoln. Could stil see storms around the 3am to 5am period, but expect a less than 30% chance there.

C) Also lowered expected cigs into MVFR category.

OAX WATCHES/WARNINGS/ADVISORIES

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