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Gillette to see warm, calm conditions as high pressure parks over region

The forecast itself is mostly calm, save for some wind with the arrival of a low pressure system that will cool things off Thursday.

Sunrise over Interstate 90 on Tuesday, Sept. 26, 2023.(Wyoming Department of Transportation)

GILLETTE, Wyo. — The only concern with this week’s beautiful fall weather is potentially elevated fire conditions.

The forecast itself is mostly calm, save for some wind alongside a low-pressure system that will cool things off Thursday.

With high pressure parked over the region, today will see clear skies, bright sunshine and a high of 81, according to the National Weather Service in Rapid City, South Dakota. Winds will pick up this evening and overnight as the low falls to around 49. Expect south winds to reach 10–20 mph and gusts to reach 30 mph.

Gillette will see much of the same Wednesday with a high of 77 under sunny skies. Winds will again pick up overnight to 17–22 mph with gusts reaching 32 mph. The forecast overnight low is 47.

Thursday will be cooler as that low pressure arrives and brings with it cooler air. Skies will remain mostly sunny but the mercury will top out around 66 degrees. Winds will come from the northwest at 8–18 mph. Thursday night skies will be mostly cloudy, and the low will be near 47, according to the forecast.

Friday will see things warm up again to around 76 under mostly sunny skies. The overnight low will be near 49.

Another cooling system is expected to arrive over the weekend, which will start with a 73-degree Saturday. Sunday’s forecast high is 65.

More on the weather is available from the National Weather Service in Rapid City.

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