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WxCast LIVE
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Providing you with weather forecast videos and live severe weather coverage with expert radar analysis and storm tracking. No hype, science-based weather communications.
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WxCast LIVE
Weather Brief for Saturday, June 20, 2026:
— Overview —
An All-hazards severe risk extends from portions of the High Plains into the Central Plains with a level 3 of 5 Enhanced Risk issued by the Storm Prediction Center this afternoon and evening.
— Meteorological Synopsis—
Initially discrete storms are expected to fire over the High Plains ahead of a surface low pressure ejecting from the Rockies. These cells will likely bring an all-hazards severe risk in a favorable environment of moisture pulled northwestward across the High Plains and a supportive kinematic environment from an upper trough and mid-level jet. Large hail and a couple of tornadoes are especially possible in this initial phase of storms.
A transition to organized multicell clusters and/or bowing line segments later into the evening, potentially one or more mesoscale convective systems. This will extend the damaging wind risk eastward across the Central Plains along with the potential for some embedded supercells. This severe risk will extend eastward across much of the Central Plains into the overnight and into the Lower Missouri Valley. Depending on the organization and intensity of the MCS(s), damaging to destructive winds are possible with some wind gusts extending over hurricane force (75+ mph).
— Streaming Note —
Storms will likely fire and go severe before a possible live stream today as I have an event to attend through the evening. Have multiple ways to receive weather warnings, especially that the severe risk will spread eastward into the overnight and early morning hours. Live stream today is TBD— Depending on when I can get free from today’s previous engagement and coverage of severe weather. If it’s too late to stream for today’s severe weather event, I may just get prepped and ready for tomorrow’s likely live stream with more all-hazards of severe weather expected from the Central Plains and into the Midwest.
Graphics (produced from AguaceroWx):
1 Day1 SPC Convective Outlook
2 Day1 SPC Individual Severe Hazards
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WxCast LIVE
Thank you to all our new subscribers and all of the viewers during last night’s marathon coverage of severe weather from the Midwest and Ohio Valley and Post-Tropical Storm Arthur causing early morning tornadoes we tracked across the bayous of southern Louisiana into the New Orleans metro.
Over 15 hours of live, commercial-free, free weather coverage on YouTube, we were able to provide advanced lead times for dangerous overnight severe weather, communicate watches/warnings and NWS discussions, track severe weather with expert radar analytics and tracking, and visually confirm severe weather with the live feed from @StormChaserNoah and a vast network of live cameras in the field. Yesterday/this AM was one of, if not, our longest stream as well as the first overnight full coverage watching the sun rise on the live cams!
WxCastLIVE is committed to science-based weather communication with understanding and empathy. We can laugh and have light moments on some streams, but when there’s serious weather, I recognize that when people are asking for advice or guidance, I try to put myself in their shoes and communicate what I would do in that situation as well as break down meteorological analysis so they have the info to give them a better understanding of the situation. As someone who’s researched warming theory and the interface between the physical science of meteorology with the social science, digital meteorology’s niche should be breaking down complex meteorological events or science comms like the NWS often uses to relatable and actionable wording as well as advancing NWS comms and also acting as an additional warning layer to the recommended multiple ways to get weather warnings.
Your support by subscribing, clicking the like button, sharing, and contributing in chat all helps the algorithm push out the content to more people on YouTube and helps the channel grow. As it grows, I have goals and ideas to upgrade our tech, or live camera capabilities, and other ideas, but I’ve seen too many other channels lean to gimmicks and even clickbait to grow and stand out. It might be slower, but I’m proud of the work we’ve done and goals for the future that can all be done while staying true to the original goals when I fired up an old laptop and poor-quality webcam for the first live stream. Some of our regular viewers know a little about my journey to digital meteorology (that’s a long one for another post or video down the road), and I plan to stay true to those roots as the channel continues to grow!
Thank you to our amazing subscriber community who makes the live chats engaging as well as those using the chat to ask meteorology questions, and those looking for a quick weather report for their location. An active chat makes late-night/early-morning live streams more engaging and also helps the YT algorithm pick up on our channel and push it out to more people who can use the information as part of the warning communications process.
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WxCast LIVE
Weather Brief for Wednesday, June 17, 2026:
All-hazards of severe weather is expected across portions of the Central Plains, Midwest, and Great Lakes today with multiple rounds of high-end severe weather. The Storm Prediction Center (SPC) maintained a tornado-driven Moderate Risk (level 4 of 5) for severe weather in the center’s morning outlooks. Significant damaging to destructive straight-line wind gusts and large hail are also likely in addition to the risk for strong to violent tornadoes. Heavy rainfall and localized flash flooding are also possible where storms train or slow and across areas that have recently seen a lot of heavy rainfall where the soils are saturated and rivers and creeks are already running high.
— Meteorological Overview —
A potent shortwave moving across the region that is more common to what we see earlier in the Spring season will clash with June heating and instability and strong northward advection of Gulf moisture to create an environment favorable for severe thunderstorms today.
Although there are still some questions on the ingredients coming together at the right time and also some questions regarding atmospheric recovery after the stronger than modeled morning convection depleting more instability, today’s severe event brings a high ceiling potential with very strong speed and directional shear overspreading volatile air mass.
— Timing and areas at greatest risk —
Morning–early afternoon: ongoing storms from the overnight continue to advance east-southeast as an organized convective system. This complex of storms has already been associated with a swath of damaging to destructive wind gusts across Iowa in the early morning hours and is expected to progress into central Illinois through the rest of the morning. The SPC increased the wind risk across this region in their 8a update with the expectation that this cluster of storms will continue producing severe weather.
The SPC has issued a tornado watch across much of central Illinois ahead of the intense and increasingly well-organized MCS moving into a region of a strong southwesterly low-level jet and robust warm advection and moisture transport. The SPC notes these factors may contribute to an increase in destructive wind gusts and tornadoes with surface-based convection and embedded supercells, especially on the south-southwest flank of the MCS near proximity to a northeastward-shifting warm front.
Behind the morning MCS, June daytime heating and the strong advection of warm and moist air are expected to aid in rapid air mass recovery from mid to late afternoon into evening when the severe threat peaks as the high instability and strong shear overlap. New storms are expected to form along and ahead of the front as a broken line of supercells capable of an all-hazards severe risk. Storms near the triple-point near the surface low, ahead of the cold front, and below the warm front may find enhanced vorticity to take advantage of; as well as storms that tap potential outflow boundaries from the morning convection that will act as convergence boundaries to enhance existing shear with additional corridors of shifting winds and tight temperature/moisture gradients.
Perpendicular vectors between steering flow and the storm motion as well as a subtle cap favor discrete supercells. Unlikely many of the previous severe weather events this season where upscale growth overcame discrete cells quickly, model guidance and observational data favor an extended period of discrete storm mode from this afternoon through early evening.
Some storms may persist into the overnight hours, especially along and ahead of the frontal zone congealing into clusters and bowing line segments. If this does occur, it would extend the risk for damaging winds and some line-embedded further south and east into the overnight hours.
— Action Plans —
The forward speed of storms is expected to be fast today. Know where you’re going to shelter well ahead of severe weather. Those in mobile homes and other temporary structures should prepare an alternate location in a sturdy, permanent structure ahead of a warning. When a warning is issued: Take it seriously and go to your safe location immediately.
Go over severe weather safety plans with family and/or workplace colleagues. Know where to go: Identify an interior, windowless room on the lowest floor(basement/storm shelter if available). For flash flooding, move to higher ground — never drive through flooded roads.
Monitor weather updates from reliable sources such as the NWS, local broadcast media, and local emergency management. Before severe weather this morning, check to make sure your NOAA weather radio is functioning. Have multiple ways to get severe weather alerts like weather radio, phone alerts, and media.
We’ll be live starting for severe weather coverage starting mid-to-late morning and going into the evening/overnight with the risk for multiple rounds of severe weather today across the Midwest.
#SevereWeather #SevereStorms
Graphics (produced via RadarOmega):
1 Day1 SPC Convective Outlook
2 Day1 SPC Individual Severe Hazards
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WxCast LIVE
The morning round is a much more organized and severe mesoscale convective system (MCS) than convective-allowing models previously indicated. As of 8pm CDT, it is currently approaching the Mississippi River in southeastern Iowa. This MCS has over-performed its severe thunderstorm watch parameters and produced numerous 75+ mph wind reports through Iowa early this morning, including a 94mph gust near Marshalltown. The continued risk for destructive winds with the MCS and a growing risk for tornadoes will extend into Illinois over the rest of the morning.
Have multiple ways to get weather warnings with multiple rounds of high-end severe weather possible today. We’ll be live via YouTube likely starting mid to late morning with the uptrend on this morning convection. #INwx #ILwx #SevereWeather
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Friends
Channel Comments
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WxCastLIVE
(1 year ago)
Camera courtesy of EarthCam at www.earthcam.com
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leahlesure4805
(1 year ago (edited))
I was home alone that day..I will never forget it. The tornado came right next to my home. I'm grateful that I still have a home. I just want to send my condolences those who lost their home that day. Hope you all have a full recovery. RIP to those who lost their lives.
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Apache_YTnot
(1 year ago)
I was at school when this happened. R.I.P. the 7 people who died.
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CrookedCrown33
(1 year ago)
It was over by 2:44pm. I was alone in st.louis county. It ripped off our roof and we are still dealing with rain damage on top of it. Our house is possibly ruined
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tigernationLSU
(1 year ago)
I live in St Louis and I was in school when this all happened. We all had to go to the locker rooms and power went out multiple times. They weren’t letting us leave school early even if parents were there. We where in the locker rooms and hallways for almost an hour before finally the tornadoes and storms had moved away
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MikaNTey
(1 year ago)
I was at work downtown when it happened. Hiding in the stairwell of the 14th floor.
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Nobodysodontquestionit
(1 year ago)
I was on the bus when it happened. One of my friends got a concussion from the hail.
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haunted.ghoullette
(1 year ago)
I was in eureka when this happened! Surprised nothing happened to my town
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kenm7500
(7 months ago)
was in Ballwin and watched it fall out of the sky. crazy winds started and stopped and changed direction about five times in two minutes.
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MiracleFound
(1 year ago)
I was fortunately watching the radar because the tornado sirens never went off.
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elanmcmillin3294
(1 year ago)
At 10:32 he circled my house. We came out OK. Just need a new roof and privacy fence, but our neighbors lost the whole top half of their house. Some of it came across the street and landed in our yard.
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