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Upper low bringing storm chances, cooler temps and potential snow to Gillette

GILLETTE, Wyo. — Even with snow in the forecast this week, it’s going to be a warm one today.

An upper low will be sliding from southwest to northeast across the Rockies and Plains over the next several days, according to the National Weather Service in Rapid City, South Dakota. That will bring cooler temperatures and relatively good snow chances to Campbell County later this week.

First, though, Gillette will see a high of 69 degrees today, accompanied by a 30% chance for showers and thunderstorms after 5 p.m. Skies will be mostly cloudy today and tonight as the low falls to around 44. There’s an 80% chance for showers and thunderstorms after 7 p.m., accompanied by a north wind of 11–16 mph increasing to 18–23 mph. Gusts of up to 32 mph are possible, according to the forecast.

Showers will remain likely Tuesday as the high returns to 57. There’s a 70% chance of rain to start the day, sliding down to 40% with a gradual clearing of cloudy skies to become mostly sunny by afternoon. Winds will have picked up to 23–32 mph from the northwest. Gusts of up to 45 mph will be possible during the day as the upper low begins to move in.

Tuesday night will continue to be windy with a north wind at 14–22 mph and gusts of up to 31 mph. The low will fall to around 32, and Gillette will see a 20% chance for snow.

The snow chance will rise to 60% for Wednesday, with snow showers most likely after 7 a.m. Skies should be mostly cloudy as the high only reaches 40 degrees. Breezy conditions are expected to continue with a north wind at 14–20 mph. The NWS in Rapid City is expecting less than an inch of snow accumulation.

Overnight Wednesday, another half-inch of snow accumulation is possible. The low will be near 23 with a north wind continuing at 14–22 mph. Overnight snow chances will be 60%, sliding down to 30% as the night wears on.

Thursday morning will see a 20% chance for snow before skies become mostly sunny and the high reaches 39. That will be followed by a mostly cloudy night and a low of 23, according to the forecast.

Warmer temps will come for the weekend after a chilly Friday. Friday’s forecast high is 38, followed by 43 on Saturday and 57 on Sunday.

More on the weather is available from the NWS in Rapid City.