Severe Weather Outlook

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Outlook for Wednesday, April 29

Outlook Images

any severe predictability too low

Note on Medium Range Outlooks

You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.

When no specific risk areas are shown, you might see one of these phrases:

Predictability Too Low: This means that severe storms might be possible, but forecasters aren't confident enough about where or when they might occur. Think of it as the models showing different possibilities, like pieces of a puzzle that haven't come together yet.
Potential Too Low: This means forecasters are fairly confident that widespread severe weather is NOT expected on that day. While isolated storms might still occur, the chance of reaching severe criteria across any given area is very low.

If you bookmark this page, it will continue to update with each new outlook that is issued.

Days Covered in this Outlook

Day 4	Saturday, April 25	30%
Day 5	Sunday, April 26	30%
Day 6	Monday, April 27	15%
Day 7	Tuesday, April 28	predictability too low
Day 8	Wednesday, April 29	predictability too low

Detailed Outlook

ZCZC SPCSWOD48 ALL ACUS48 KWNS 220900 SPC AC 220900

Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0400 AM CDT Wed Apr 22 2026

Valid 251200Z - 301200Z

DISCUSSION

An active severe weather pattern will continue through early next week.

On Saturday/Day-4, model guidance continues to show thunderstorms developing during the late afternoon and early evening hours along a lifting warm front across the Southern Plains. Along and south of this boundary, the environment will be strongly unstable with MUCAPE values between 2000-3000 J/kg as a low-level jet continually advects mid 60Fs dewpoints north across the boundary. Effective layer shear around 40 knots would support an initial supercell threat that should grow upscale into bowing segments overnight. A 30% area is introduced across southwest Kansas into east-central Oklahoma for the expectation is for strong bowing segments to move east-southeast overnight into a strong low-level jet. These storms will be capable of producing strong winds, large hail, and QLCS tornadoes.

On Sunday/Day-5, ongoing convection across southeast Kansas and western Missouri at the start of the period may pose a continued risk of hail and damaging winds, and this convection may persist into mid morning. To the west, continued moist low-level advection will allow for surface dewpoints to rise into the upper 60Fs to low 70Fs across central Oklahoma to the east of a sharp dryline. At the same time, a low-amplitude shortwave should approach the Southern Plains during the late afternoon and evening hours, with a mid-990-millibar surface low developing across northwest Oklahoma along the dryline. The result of this setup will be a volatile atmosphere where MLCAPE values around 4000 J/kg exist within a strongly shear environment (vertical shear nearly 50 knots). Should thunderstorms initiate, a high-end severe weather threat could materialize during the late afternoon and evening hours across central and eastern Oklahoma and southern Kansas. However, global models continue to struggle to develop convection within this environment despite model guidance having modest upward vertical velocities overspreading the dryline. Pattern recognition suggests the need for a 30% severe area for this potential despite the lack of a QPF signal in the global models, and have opted to add one with this forecast. The location of this 30% will likely need to be refined in subsequent outlooks.

The severe threat should continue into Monday/Day-6 across portions of the Lower Mississippi Valley. Strong storms should develop along and ahead of an eastward moving cold front. MUCAPE of 2000-3000 J/kg and 40-knots of deep-layer shear will support supercell thunderstorms capable of all severe hazards. The location, number, and intensity of these supercells will likely be modulated by the events of Sunday. Specifically, if widespread convection does not occur Sunday across the Southern Plains, a more robust reservoir of CAPE/lapse-rates will be available to thunderstorms across the Lower Mississippi Valley on Monday and a higher-end severe potential may develop. This will be monitored in subsequent forecasts.

By Tuesday/Day-7 into Wednesday/Day-8, uncertainty in the severe potential across the southeast increases too much to have confidence in identifying specific locations. Although, as the mesoscale details become cleared in the preceding days, areas may need to be added in subsequent forecasts.

..Marsh.. 04/22/2026

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National Risk Overview

Wednesday, April 22: TORNADO: low; HAIL: 5%; WIND: 5%
Thursday, April 23: TORNADO: 5%; HAIL: 15%; WIND: 15%
Friday, April 24: ANY SEVERE: 15%
Saturday, April 25: ANY SEVERE: 30%
Sunday, April 26: ANY SEVERE: 30%
Monday, April 27: ANY SEVERE: 15%
Tuesday, April 28: ANY SEVERE: predictability too low
Wednesday, April 29: ANY SEVERE: predictability too low

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