SI Weather Wise

05/18/2026

05/16/2026

The NWS has issued a tornado warning for portions of Clinton County, valid until 4:30PM!

05/16/2026

The SPC has issued a severe t’storm watch across portions of Southern Illinois, valid until 10:00PM!

04/28/2026

[1:35 PM CDT Tuesday, April 28th] Severe Thunderstorm Watch is out until 9 PM CDT for southeast MO and far southwest IL and west KY. Large hail will be the main threat, but marginally severe wind gusts are possible. The tornado risk is slim to none.

04/27/2026

🚨 JUST IN; MONDAY EVENING 🚨
PDS (Particularly Dangerous Situation) Tornado Watch for the tri state. Strong to intense tornadoes are possible. What once looked like St Louis, MO area would be in the bullseye, has shifted south some this afternoon.

PDS tornado watches only get issued 1-2 times per year usually in the United States and are only used in extreme forecast circumstances.

A dangerous night of weather is coming in the Midwest and Heartland. Strong tornadoes at night are challenging to track.

One way this forecast could underperform is if too many storms form. A “messy” mode of too many storms means too much competing for the same environment. We’ll see.

Cape Girardeau - Paducah - Evansville, IN is the corridor to most watch in my opinion.

I don’t think the atmosphere is as ripe for long tracked tornadoes as it is ones that can get quickly to EF3+ intensity.

Take this watch very seriously and know where to shelter if in these areas. Timing probably 6pm - 2am local.

FOX Weather will be live nationally tracking this risk as well.

04/27/2026

04/27/2026

Extremely dangerous tornado OUTBREAK expected today across southern Illinois and eastern Missouri where multiple strong to intense EF3+ tornadoes are likely especially across the red highlighted area. Very strong wording from the Storm Prediction Center that we only see a few times each year. Please take today seriously and make sure you have multiple ways to receive warnings. We will be covering this LIVE

04/25/2026

MONDAY LOOKS BIG ⚠ Right now the singal is showing what could me a major severe weather and possible tornado outbreak on Monday across and . Intense, well timed jet maxes at 850 and 500mb perfectly run into strong instability and deep moisture as a surface cyclone matures over IA/MN

These are all the ingredients needed for a high impact event. Intense, long track tornadoes, very large hail and damaging winds are all on the table.

Now, this is what we are seeing right now. We have two days of severe weather ahead of this that could alter critical surface features to either enhance or mute things. Expect changes, that is how the forecast process works, but right now, the signal is quite concerning!