Saturday Update: Weekend Showers And Thunderstorms

On October 24, 2026 By durangoweatherguy

10/24/26 Saturday 3:30 am- 6:30 am

I haven’t addressed this in a while, but the time I put at the beginning of each post is when I sit down at my desk and start perusing the models. I am trying to get into the habit of putting the time I finish before I hit the publish button.

Overview: Wet likes to stay wet… Showers and thunderstorms today, tonight, and tomorrow, moving out of the area late Sunday. The heaviest rain will fall today.

This should give way to 4 or 5 days of temporarily dry weather while the storm track retreats north of our area.

Then, Friday night into Saturday, models are advertising another multi-day storm. I know. It’s becoming a familiar setup: a west coast low-pressure system combines with tropical moisture and gets funneled into our area. It’s too early to dig into this. I will need to see a couple more days of model runs before I have any confidence in the details

News?

I am not sure when this happened, but the local radar is working; at least in Durango, I noticed it last night. It is doing exactly what it is supposed to do. It picks up the activity below the Grand Junction/National Radar.

“La Plata Live Radar” (these radar screenshots were taken at 5:20 am)

BUT, you can’t rely on it 100%; it has a very limited range, so you need to check both local radar and the site’s Hi-Res Radar. These screenshots were taken at the same time (5:20 am)

“Hi-Res Radar”

To switch between the two, click the layers icon at the top left of the screen, right above the full-screen button. For the La Plata Live Radar, I like to switch to “Dark” mode; for Hi-Res, I leave it on “Satellite” mode.

Fingers crossed it works this well in the winter!

Current Weather

So far, the activity has been spotty, but when the first storm blew up over my neighborhood at 4 am, I got brief heavy rain that dropped 0.20″ in a couple of minutes. The rainfall rate briefly hit 3.57″ per hour.

Since then, I have had occasional on-and-off showers (here comes another one at 6:20 am). It appears the La Plata radar has a little longer lag time than the national radar.

Based upon this early activity, I fear the models are severely underforecasting this weekend event, and I am very concerned! I feel like I am doing a play-by-play here: this latest cell briefly measured rain intensity of 4.09″/hr.

I already have had 0.61″ up here in DW2. It’s going to be a long day!

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Friday Afternoon: Rain Returns By Saturday (Or Earlier)

On October 23, 2026 By durangoweatherguy

10/23/26 Friday Noon

I am not sure whether the River Forecast Center will update its forecast; the last update was at 10 a.m., and it hasn’t changed since earlier this morning. I would not be surprised if the new forecast comes out as soon as I finish this update and hit send.

Before I get started I need to fix something. I made a poorly thought-out remark about CDOT “dropping the ball in the big game”.

I want to clarify that I meant the bureaucracy in Denver and the statewide camera outage. I was not referring to the hard-working drivers, mechanics, dispatchers, and office staff at the various offices in SW Colorado. You all work in one of the most challenging regions in the United States, and we all are grateful for your work and dedication.

Today is tricky; most models show a lull this afternoon, with showers firing back up tonight, getting heavier toward Saturday morning, continuing through Saturday night and Sunday, then moving out by late Sunday night. This morning around 11 a.m., a storm fired up right over our neighborhood. It dropped a very quick 0.30″ and a lot of graupel. These peaks of the sun we are getting could trigger thunderstorms this afternoon and evening. That’s an if-then, not part of the forecast.

Models peg snow levels at 9,500 feet. Actual snow levels should vary between 9,000-10,000 feet based on time of day and intensity of snowfall. Either way, below pass level.

It looks like my nudge regarding a weekend flood watch worked.

1159 AM MDT Fri Oct 23 2026

...FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of southwest Colorado, including the following
  areas, Animas River Basin, Four Corners/Upper Dolores River, San
  Juan River Basin and Southwest San Juan Mountains and Utah,
  including the following areas, Arches/Grand Flat,
  Canyonlands/Natural Bridges, La Sal and Abajo Mountains and
  Southeast Utah.

* WHEN...Through Sunday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, recent burn scars and other low-lying and
  flood-prone locations. Low-water crossings may be flooded. Storm
  drains and ditches may become clogged with debris.

* ADDITIONAL DETAILS...
  - Flooding is imminent or ongoing with additional rounds of showers
    and thunderstorms expected through Saturday afternoon. Rivers and
    creeks may still experience high waters even after rainfall has
    ended.

Update 1:50 pm: This just came out

148 PM MDT FRI OCT 23 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON  
  
* WHAT...SMALL STREAM FLOODING CAUSED BY EXCESSIVE RAINFALL  
  CONTINUES.  
  
* WHERE...SOUTHEASTERN LA PLATA COUNTY IN SOUTHWESTERN COLORADO...  
  
* WHEN...UNTIL 400 PM MDT.  
  
* IMPACTS...FLOODING OF RIVERS, CREEKS, STREAMS, AND OTHER LOW-LYING  
  AND FLOOD-PRONE LOCATIONS IS ONGOING. NUMEROUS ROADS REMAIN CLOSED  
  DUE TO FLOODING IMPACTS WITH ROAD AND CULVERT WASHOUTS.  
  
* ADDITIONAL DETAILS...  
  - AT 148 PM MDT, FLOODING IMPACTS ARE ONGOING. MINOR RAINFALL  
    AMOUNTS ARE EXPECTED THIS AFTERNOON.  
  - THIS INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING STREAMS  
    ANDDRAINAGES...  
    FLORIDA RIVER (my insertion not Florida along 240) SPRING CREEK, UTE CREEK, SALT CREEK AND DRY CREEK.  
  - SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
    BAYFIELD, IGNACIO, OXFORD, TIFFANY AND ALLISON.

Back to the models: there isn’t strong consensus on precipitation amounts.

On one hand, we have the European and Canadian models. On the other, we have the GFS AI and German ICON model.

European

Canadian

German

GFS AI

The glaring similarity is that they all show Wolf Creek getting 2 to 4 more inches of liquid precipitation. In reality, it will be a mixed bag of very wet snow and, at times, higher-ratio snow. If it were December with this liquid-equivalent forecast, I would be forecasting 24 to 30 inches of snow up there.

So I need to let another model cycle run. For now, though, I think the European model will be most accurate.

I will be back if I need to be; otherwise, it will be in the morning.