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Premium BoulderCAST Daily – Wed 06/25/25 | One last chance of storms for the week

Moisture levels are already starting to dip across the Front Range this morning compared to yesterday, as that southeasterly upslope flow begins to ease up. That means the pipeline of Gulf moisture feeding into Colorado is shutting down. Meanwhile, the sluggish trough of low pressure that’s been stirring up unsettled weather lately is set to weaken significantly today as it …

Premium BoulderCAST Daily – Tue 06/24/25 | Scattered severe thunderstorms this afternoon, hail up to 2″ the main threat

All signs are pointing toward a textbook setup for strong to severe convection across northeast Colorado today. Yesterday’s high in Boulder only reached the upper 60s following a frontal passage, and that cooler, moisture-laden airmass remains firmly in place under continued southeasterly upslope flow. Dew points hovering in the 50s across the Denver Metro are providing solid low-level moisture, and …

Premium BoulderCAST Daily – Sun 06/22/25 | Heat again today but not “as hot”

Thottest of the air today will actually lift out of the area today and be centered across the upper Mississippi Valley of the Dakotas, Minnesota, and the upper Great Lakes. This is quite evident below via the low-level temperature anomalies. Negative (cooler) temperature anomalies are not far behind, set to build in tomorrow with a cold frontal passage overnight tonight. …

Premium BoulderCAST Daily – Sat 06/21/25 | Hot weather continues

Below shows yesterday's high temperatures across the Front Range. Some locales touched the 100-degree mark --- no surprise there! It will be another toasty one today as very hot and dry southwest flow continues. In fact, precipitable water values will be at or near record low values for this time of year, with values below 0.2 inches! This along with …

Premium BoulderCAST Daily – Fri 06/20/25 | Heat Advisory in effect today

AHeat Advisory is in effect today for all of the Front Range and eastern Plains of Colorado. High temperatures this afternoon will approach 100 degrees, leading to heat related illnesses. Drink plenty of fluids, stay out of the sun for long periods of time, and be sure to check up on relatives and neighbors. This heat is all caused by …

Premium BoulderCAST Daily – Wed 06/18/25 | A wonderful Wednesday ahead of looming record heat

Yesterday's shortwave disturbance, which spawned the punchy thunderstorms and kept highs only in the 60s for Boulder, has exited the area rapidly overnight allowing skies to clear. In fact, there isn't a single cloud left behind over Colorado, as noted from GOES-East as the sun rose this morning: Just about everyone got in on the action Tuesday afternoon, mainly because …

Premium BoulderCAST Daily – Sun 06/15/25 | Feelin’ Hot Hot Hot

It is all about the heat again this afternoon. We should top out in the lower 90s with mostly sunny skies. We cannot rule out a very stray shower or two, but most locales will be dry. While the GEFS precipitation forecast through this week is largely showing Denver dry, we do think rain chances should increase late Monday and …

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