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

- Temperatures continue to warm for Sunday and Monday.

- A few showers and thunderstorms are possible Sunday evening in northeast Nebraska. Some storms may be strong or severe with a threat of 2" hail.

- A shift in the pattern brings cooler temperatures and daily chances of showers/thunderstorm activity to the region beginning Wednesday.

SECOND HALF OF NEXT WEEK

The upper pattern stagnates mid-way through next week as the cutoff low spins over the Great Basin and an omega block sets up over the central CONUS. 12z deterministic global guidance suggests a heavy rain-making sfc low meandering northwest from the Gulf of California through some portion of the Central/Southern Plains. NBM's PoPs currently peak at 50-70% on Thursday evening. With weak steering flow and PWAT values above 90th percentile of late May climatology (NAEFS), significant rain is possible and - for many locations - hoped for.

Temperatures are progged to fall closer to normal with mid- to upper-70s Wednesday through the weekend.

AVIATION /06Z TAFS THROUGH 06Z MONDAY/

Issued at 1159 PM CDT Sat May 23 2026

VFR conditions are observed at all terminals late this evening and will linger into much of Sunday morning. 0456z radar imagery shows a dissipating band of rain showers pushing east away from terminals with lingering clouds around 7,000 to 8,000 ft. By the mid afternoon into the evening hours, a few models suggest a line of strong storms developing over eastern Nebraska from near KOFK to KLNK, pushing east after 00z and slowly dissipating. However, some guidance suggests storms staying well off to the north and east away from TAF terminals. For this issuance, have opted to leave mentions of -TSRA out given chances remain at 30% or less for occurrence.

Winds from the south will gradually increase in speed by the late morning hours with gusts of 20 to 25 kts, then tapering down to less than 12 kts and becoming southeasterly after 00-01z. Low level wind shear develops at KOFK and KOMA after 04z.

OAX WATCHES/WARNINGS/ADVISORIES

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

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