Denver eased into Tuesday, March 24, under mild, mostly cloudy skies, with temperatures sitting near 61°F at the KBJC observation. That calm start will not last long. A sharp warm-up is on deck, with highs headed for the low 80s on Tuesday and an even bigger spike on Wednesday, March 25, that could send readings into the upper 80s and put Denver’s all-time March record of 86°F within striking distance.
Afternoon Heat Spike
Tuesday’s high is forecast near 83°F, with west winds running around 3 to 10 mph and gusts up to about 16 mph. The hotter punch arrives Wednesday, March 25, when highs near 89°F are possible and gusts could climb into the low 20s. The setup stays dry and mostly sunny across the metro, according to the National Weather Service.
Fire Weather Concerns
That kind of heat paired with very dry air, is not just uncomfortable; it is a fire starter waiting for a spark. Low humidities and dry fuels are expected to raise the risk of fast-moving fires, with forecasters calling for afternoon relative humidities to drop into the single digits over parts of the plains on Wednesday. That is enough to elevate fire-weather concerns even though a Red Flag Watch was not issued at the time of the forecast. Local outlets are flagging the same near-record heat potential and related fire danger along the Front Range this week, per Axios Denver.
Timing and Commute
The main punch of heat will land in the afternoon on both Tuesday and Wednesday, with the strongest warming between about midday and 6 p.m. Outdoor work is best saved for the cooler morning or early evening hours. While widespread travel disruptions are not expected, residents are urged to secure loose outdoor items and steer clear of unnecessary outdoor exertion during the peak heat window.
How to Prepare
Staying ahead of this early-season blast of heat means sticking to the basics: drink plenty of water, shift strenuous activity out of the afternoon peak, and put off open burning or spark-producing chores while fuels remain dry. Keep an eye on updates from the National Weather Service and local fire districts in case conditions change across the metro.
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