textproduct: Omaha/Valley

KEY MESSAGES

- Severe thunderstorm chances remain overnight in the southern tiers of counties of the forecast area. Damaging wind, hail, and heavy rain will be the primary threats.

- Training storms could produce heavy rainfall and flash flooding in far southeast Nebraska/southwest Iowa overnight.

- Near-normal temperatures are expected next week with little to no additional chances for precipitation forecast.

LONGER TERM

The remainder of the forecast stays relatively quiet with little to no chance at additional spring precipitation over the next seven days. The southwest flow at H5 will veer and come out of the northwest as general trofing moves through the central CONUS mid-week. The NBM has introduced 25% PoPs on Thursday with a cold front sweeping through.

Tuesday morning and Wednesday morning may both bring patchy frost to far northeast Nebraska, especially in low lying areas as winds are expected to decouple overnight.

AVIATION /12Z TAFS THROUGH 12Z TUESDAY/

Issued at 541 AM CDT Mon Apr 27 2026

Showers with a few rumbles of thunder are moving across southeast Nebraska toward KOMA this morning. We've seen cigs improve as showers move in with low clouds breaking up, but expect them to return with the wind shift later this morning. MVFR/IFR conditions to hold into the afternoon with gradual improvement. Low clouds have a 60% chance of breaking up later tonight around 05-07Z bringing back VFR conditions.

Winds out of the south or southwest this morning will shift to northwesterly once the front moves through. Winds will be increasing through the morning, gusting 20 to 30 kt this afternoon. Winds will gradually relax through the evening, with gusts dropping off toward 05-07Z.

OAX WATCHES/WARNINGS/ADVISORIES

NE...Flood Watch until 1 PM CDT this afternoon for NEZ068-090>093. IA...Flood Watch until 1 PM CDT this afternoon for IAZ090-091.