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

- Extreme to very high fire danger is forecast for northeast Nebraska on Wednesday afternoon.

- Shower and storm chances Wednesday night into Thursday (50-80%). Some storms on Thursday afternoon and evening may be severe (15% chance for any given storm.)

- Cooler temperatures going into next weekend with more chances for showers Saturday (30%) into Sunday (70%).

FRIDAY AND THE WEEKEND

Behind the departing system, cooler weather builds in with highs anticipated to peak only in the (seasonally normal) sixties. Two different rounds of precipitation are possible over the weekend with lesser chances on Saturday (40%) and best chances on Sunday (70-80%) with an upper low and attendant surface system developing across SD/Nebraska vicinity. Moisture return and PWAT values are noteworthy once again on Sunday. It's early, but NBM ensemble probabilities suggest a 50-60% chance of 0.50" or more precip falling this weekend. That holds true for the entire CWA.

AVIATION /18Z TAFS THROUGH 18Z WEDNESDAY/

Issued at 1159 AM CDT Tue Apr 21 2026

VFR conditions will persist. Two air masses are across the area with southwesterly winds south of the boundary and northeasterly winds north of it. Regardless, these winds are relatively slow at 5-10 knots.

Expect southerly winds to dominate by midnight tonight with stronger winds developing on Wednesday morning, still out of the south.

OAX WATCHES/WARNINGS/ADVISORIES

NE...Red Flag Warning from noon to 8 PM CDT Wednesday for NEZ011- 012-015>018-030>033-042. IA...None.

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