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Thornton Weather is the city's longest serving and most reliable source for truly local weather and news. The site was created by a Thornton resident to provide residents of our area with information about OUR weather, not the weather in Denver or DIA.

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Thornton brings in the new year with chilly temperatures, dry conditions. Well, last night’s snowfall was certainly inte...
01/01/2025

Thornton brings in the new year with chilly temperatures, dry conditions. Well, last night’s snowfall was certainly interesting. Thornton recorded 1.1 inches and the roadways became a mess due to flash freezing. We will thaw out today but remain chilly. Partly sunny skies will be the general rule above throughout the day today. Conditions will be calm and dry. Look for highs to top out in the low 40s. Tonight, mostly cloudy skies will be above and we remain dry. Lows will dip to around 20 degrees. More: http://www.thorntonweather.com/

We've all seen it... A driver screwing around on their phone instead of paying attention to the road, endangering other ...
12/31/2024

We've all seen it... A driver screwing around on their phone instead of paying attention to the road, endangering other motorists, sometimes causing accidents. Starting tomorrow, it is against the law in Colorado to have your phone in your hand while driving, even at a stop light. Granted, our roads are virtually lawless as is so this probably won't have any real effect but hopefully it changes some folks' behavior. CDOT has a good page for details on what is / isn't allowed. See: https://www.codot.gov/safety/distracteddriving/colorado-hands-free-law

New Year’s Eve in Thornton brings calmer, colder conditions. We close out 2024 with only our third day of December with ...
12/31/2024

New Year’s Eve in Thornton brings calmer, colder conditions. We close out 2024 with only our third day of December with below average temperatures. While it will be chilly, conditions will be calm and dry. Look for mostly sunny skies to be above for most of the day with some increased cloud cover in the mid-morning time frame. Overall, conditions will be calm and dry. High temperatures will be topping out in the mid to upper 30s. Tonight, under partly clear skies, it will be cold. Look for lows to bottom out around the 20 degree mark. Please be careful should you venture out tonight – we want to see all of you next year! More: https://www.thorntonweather.com/

As expected, a blustery day. Here at Thornton Weather HQ we saw a top gust of 31mph but we are somewhat sheltered from t...
12/30/2024

As expected, a blustery day. Here at Thornton Weather HQ we saw a top gust of 31mph but we are somewhat sheltered from the northwest where the wind was mainly coming from. Our high temperature of the day actually occurred at midnight and we never got above that mark. Now comes the cold (finally). We will see a low tonight in the mid-teens with mostly clear skies. Tomorrow, highs will be in the mid to upper 30s - only the third day in December to see below average highs!

Hmm. Could we close out 2024 with a view of the aurora? Possibly. Right now chances are pretty good for viewing as far s...
12/30/2024

Hmm. Could we close out 2024 with a view of the aurora? Possibly. Right now chances are pretty good for viewing as far south as us early tomorrow (Tuesday) morning - about 2:00am to sunrise. Of course to have the best chance, you will need to get away from the city lights and the farther north you go, the better.

A G3 Watch is in effect for 31 Dec, with a G1 (possible G2) watch for 1 Jan. These are in anticipation of a pair of Earth-directed coronal mass ejections (CME). The G1 Watch for 1 Jan is being considered for upgrade to a G2 Watch. See the full story at https://www.swpc.noaa.gov/news/new-years-eve-day-geomagnetic-storm-anticipated-g3-watch

Thornton’s workweek starts out blustery but with temps still above normal. Batten down the hatches, here comes the wind....
12/30/2024

Thornton’s workweek starts out blustery but with temps still above normal. Batten down the hatches, here comes the wind. Courtesy of a large pressure gradient, wind will be the most notable feature of today’s weather. Mostly sunny to sunny skies will be above during the daytime hours. Temperatures will top out in the mid-40s, just a bit above average for the date. Winds are already blustery early this morning and will increase in speed. Gusts to 40mph or higher will be possible from mid-morning through late afternoon. A High Wind Warning is in effect due to these speeds and a Red Flag Warning also has kicked in due to increased fire danger. Needless to say, be very careful today. Tonight, winds will begin to ease by late afternoon and by late evening they will be calm. Overnight, skies will be mostly clear and lows will drop considerably to around 20 degrees. Keep an eye on those wind speeds with our live gauges here: https://www.thorntonweather.com/live-weather.php

Your “out with 2024, in with 2025” weather forecast for the workweek. Somewhat of a mixed bag. First up, Monday will be ...
12/30/2024

Your “out with 2024, in with 2025” weather forecast for the workweek. Somewhat of a mixed bag. First up, Monday will be notable for the wind – lots of it. Gusts in excess of 40mph will be possible and that will lead to greater fire danger so please be careful. A High Wind Warning and Red Flag Warning will be in effect. Tuesday then settles down but we should also finally have a day with below normal high temperatures. We then see temperatures moderate a bit for the rest of the period. There will be just the slightest chance for some snow Thursday but that will be minimal, if any. Over the longer term, models are pointing to a better chance for much-needed precipitation toward the end of next weekend. More: https://www.thorntonweather.com/forecast.php

Mild temperatures, dry conditions for Thornton’s Sunday. A pretty good looking day ahead for us. We will enjoy mostly su...
12/29/2024

Mild temperatures, dry conditions for Thornton’s Sunday. A pretty good looking day ahead for us. We will enjoy mostly sunny skies today with dry conditions. Winds will be slightly breezy. High temperatures will be topping out in the upper 50s. Tonight, skies remain mostly clear and lows will dip to the mid-30s. Winds will be picking up in the early morning hours tomorrow. That will signify less than ideal weather conditions tomorrow. A strong pressure gradient will lead to very strong winds tomorrow and elevated fire danger. As such, a High Wind Watch and Red Flag Warning will be in effect on Monday. We will cover that more fully later today but please be aware. More: https://www.thorntonweather.com/

Saturday brings above normal temps, some clouds and breezy winds. A pretty non-dramatic day here in Thornton. We will se...
12/28/2024

Saturday brings above normal temps, some clouds and breezy winds. A pretty non-dramatic day here in Thornton. We will see mostly to partly sunny skies above with dry conditions. High temperatures will reach the low to mid-50s. Winds will be a bit breezy, particularly toward the late afternoon and evening. Tonight, skies will become mostly clear and the winds will subside. Overnight lows will dip to around 30 degrees. More: https://www.thorntonweather.com/

Thornton’s weekend weather continues the mild temps, offers some wind, clouds. The last weekend of December will continu...
12/27/2024

Thornton’s weekend weather continues the mild temps, offers some wind, clouds. The last weekend of December will continue the mild conditions most of the rest of the month has seen. We will throw in some clouds and some breezy winds as well. Friday starts out with mostly sunny skies then in the afternoon cloud cover will increase. Highs will top out around 50 degrees but with some breezy winds. Tonight, lows will dip to around 30 degrees under partly cloudy skies. Saturday will see some cloud cover leading to partly sunny skies for the majority of the day. Highs will top out in the mid-50s. The afternoon brings some breezy winds again. Saturday night, partly cloudy skies will be above and lows will drop to around freezing. Sunday will be the warmest day of the period with highs in the mid to upper 50s. Mostly sunny skies will be above and conditions will be dry. Overnight Sunday night into Monday morning, we may see a little bit of rain, perhaps a few snowflakes mixed in. More: https://www.thorntonweather.com/

One benefit of the mid-week holiday is that the weekend is already almost here! Whoohoo!  🥳  Looking at the weather, we ...
12/26/2024

One benefit of the mid-week holiday is that the weekend is already almost here! Whoohoo! 🥳 Looking at the weather, we do see a bit of a warm-up over the three-day period. Conditions will be largely calm and dry other than late Sunday night into early Monday morning when we may see some precipitation. More: https://www.thorntonweather.com/forecast.php

Up until yesterday, it was looking like we could set a record for the driest December. Mother Nature showed us some merc...
12/26/2024

Up until yesterday, it was looking like we could set a record for the driest December. Mother Nature showed us some mercy and delivered 0.12 inches of rain yesterday afternoon and evening. That brings Thornton’s December total to 0.16 inches and moves December 2024 into a tie with December 2017 as the second driest December of the past 18 years. That total is far below the running average for the month of 0.43 inches. Will we add to the total? Maybe – but it isn’t looking good. As of right now, only Sunday night holds a slight chance for precipitation between now and the end of the month. More graphs: https://www.thorntonweather.com/graphs.php

Moderate temperatures, calm conditions for Thornton’s Thursday. Certainly, rain on Christmas is not the type of precipit...
12/26/2024

Moderate temperatures, calm conditions for Thornton’s Thursday. Certainly, rain on Christmas is not the type of precipitation we expect and hope for but at least we finally got something (0.12 inches to be exact). Today, we dry out and again see above normal temperatures. The morning starts with some fog in areas so be careful if you are out early. Otherwise, we see mostly clear skies this morning. Then, this afternoon, cloud cover will increase leading to cloudy skies by sunset. Overall conditions will be calm and dry as we head for a high around 50 degrees. Tonight, the cloud cover will be thick initially then begin to ease after midnight. Overnight lows will dip to around 30 degrees. More: http://www.thorntonweather.com/

Christmas Day in Thornton to cool down, may offer a shower late. Temperatures get closer to normal on the holiday. While...
12/25/2024

Christmas Day in Thornton to cool down, may offer a shower late. Temperatures get closer to normal on the holiday. While we do stand a bit of a chance to see some precipitation, if any falls, it will be minimal. Cloudy skies start us off and while there may be a slight break or two during the day, we will overall not see much blue. Conditions will be calm overall as we head for a high in the mid to upper 40s. Late afternoon and this evening we do stand a chance to see a bit of rain. Unfortunately, we aren’t expecting much of it. Tonight, some light showers may be seen until about 11:00pm, perhaps even a few snowflakes, but nothing that amounts to anything. Overnight lows will be in the mid-20s. We wish you all a very merry Christmas and hope you enjoy this time with your friends and family. More: https://www.thorntonweather.com/

For all of those in uniform tonight keeping us safe, fire, police, and military, we wish you all a very safe and merry C...
12/25/2024

For all of those in uniform tonight keeping us safe, fire, police, and military, we wish you all a very safe and merry Christmas, and thank you for your service.

‘Twas the night before Christmas, and all through the station, not a creature was stirring, not even the Dalmatian.

The gear was all hung by the engine with care,
in hopes that no calls would bring danger near.

The firefighters were nestled all snug in their beds, while visions of calm shifts danced in their heads.

The captain in his office, the rookie on watch,
kept an ear to the tones and an eye on the clock.

When out on the bay floor, there arose such a clatter, the crew sprang from their bunks to see what was the matter.

Away to their lockers they flew like a flash,
grabbed helmets and boots, and dashed in a flash.

The moon on the snow gave the city a glow,
but they knew they were ready for anything below.

When, what to their wondering eyes did appear, but a fully involved blaze—it was crystal clear.

With a brave driver so steady and quick, they knew in that moment this crew was the pick.
More rapid than eagles, their hoses they came,
And the captain shouted and called them by name:

“Now Nozzle! Now Pump! Now Ladder and Vent! On Rescue! On Engine! Make every second spent!

To the top of the roof! To the fire’s fiery wall!
Now dash away, dash away, dash away all!”

As embers that before the wild inferno fly,
when met with the firefighters, rose to the sky. So up to the rooftop, the crew they flew,
with axes, and hoses, and courage so true.

And then in a twinkling, the fire was tamed,
the blaze defeated, all lives were saved.
As they packed up their gear and turned out the light, they knew their job had brought peace to the night.

Back to the station, they drove with care,
knowing tomorrow more calls might be there.
And as they settled once more for a rest,
they knew in their hearts, they’d given their best.

But we heard them exclaim, as they drove out of sight, “Happy Christmas to all, and to all a safe night!”

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