Severe Weather Outlook

show me my personal outlook →

Hayley here - Do you want to see severe weather in your calendar?

* it's like an add-on for your digital calendar NOT a paper calendar

Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0239 for Northeast Colorado, Nebraska Panhandle

Scattered large hail and isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible

↑ back to the list of watches ↑

EXPIRED Severe Thunderstorm Watch #0239

Locations Affected

Northeast Colorado

Nebraska Panhandle

Severe Thunderstorm Watch Summary

Thunderstorms will develop this afternoon and spread eastward across the watch area. A few supercells are possible, posing a risk of large hail. A tornado or two is possible by early evening as storms track into the eastern half of the watch.

Severe Weather Threats

Scattered large hail and isolated very large hail events to 2 inches in diameter possible

Isolated damaging wind gusts to 70 mph possible

A tornado or two possible

Severe Thunderstorm Watch Details

SEL9

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 239
NWS Storm Prediction Center Norman OK
255 PM MDT Thu May 21 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northeast Colorado
  Nebraska Panhandle

* Effective this Thursday afternoon and evening from 255 PM until
  1000 PM MDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Isolated damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Thunderstorms will develop this afternoon and spread
eastward across the watch area.  A few supercells are possible,
posing a risk of large hail.  A tornado or two is possible by early
evening as storms track into the eastern half of the watch.

The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 55 miles north northwest
of Sidney NE to 50 miles southwest of Burlington CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 238...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28030.

...Hart

National Risk Overview

Friday, May 22: TORNADO: 2%; HAIL: 15%; WIND: 15%
Saturday, May 23: TORNADO: 2%; HAIL: 5%; WIND: 5%
Sunday, May 24: ANY SEVERE: 5%
Monday, May 25: ANY SEVERE: potential too low
Tuesday, May 26: ANY SEVERE: predictability too low
Wednesday, May 27: ANY SEVERE: predictability too low
Thursday, May 28: ANY SEVERE: predictability too low
Friday, May 29: ANY SEVERE: predictability too low

Your Severe Outlook

Hey, it looks like your location wasn't detected.

Drag the marker on the map and we'll show you the severe weather potential for a given location.

Hi, I'm Hayley. Did you know that I run this site out of my own pocket? So if you'd like to help out and you're already planning on buying something off of Amazon, why not use our Amazon Severe Weather Outlook link before you buy and we'll get a tiny portion of your purchase.

Severe Weather Outlook Amazon link →

About Severe Weather Outlook . com

SWO started as a spinoff project of wickedwx, but has since replaced the site.