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Severe storms possible in Cheyenne this afternoon

The chance of precipitation is 60 percent. New rainfall amounts between a tenth and a quarter of an inch are expected.

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CHEYENNE, Wyo. — Residents of southeast Wyoming should prepare for severe weather this afternoon, with widespread showers and thunderstorms forecast. The National Weather Service in Cheyenne has issued alerts for potential large hail, strong winds and localized flooding.

This afternoon’s storms are driven by an upper-level trough moving toward the central Rockies. By late morning, storm coverage is expected to increase, particularly along and west of the Laramie Range. These storms are likely to intensify as they move east of the Interstate 25 corridor.

Radar imagery shows rain showers developing over the southern Nebraska Panhandle, influenced by warm air advection associated with a leading shortwave. High dew points and favorable atmospheric conditions support storm development.

Intense storms are anticipated, with the potential for cell splits leading to widespread coverage. Large hail may occur early in the afternoon, but the main threats will be strong winds and heavy rainfall later in the day. The strongest storms are expected along a line from Wheatland to Douglas.

A warmer and drier trend will begin on Saturday. However, gusty winds from high-based storms could affect areas near the Colorado–Wyoming border, including Cheyenne and Laramie. These storms may not produce much precipitation but could bring erratic winds.

Starting Sunday, temperatures will soar into the upper 80s and 90s, with some areas below 4,500 feet potentially exceeding 100 on Monday. This heat wave is due to a potent ridge building over the Four Corners states, expected to dominate the weather pattern for much of next week.

By Monday, there’s a 30%–60% chance of temperatures reaching 100 or higher in some areas, especially around Scottsbluff and the North Platte River valley.

Detailed Forecast for Cheyenne:

  • Today: Showers and thunderstorms are likely, mainly after 3 p.m. Some of the storms could be severe. It will be partly sunny, with a high near 83. A west wind will blow at 5–10 mph, shifting to the east in the morning. The chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch are possible.
  • Tonight: There is a 40% chance of showers and thunderstorms before midnight. Some of the storms could be severe. It will be partly cloudy, with a low around 54. A south-southwest wind will blow at 5–10 mph, shifting to the north-northwest in the evening.
  • Saturday: There is a 20% chance of showers and thunderstorms after noon. It will be sunny, with a high near 85. A west-northwest wind will blow at 5–10 mph.
  • Saturday Night: The weather will be mostly clear, with a low around 56. A southwest wind will blow at 5–10 mph.
  • Sunday: It will be sunny and hot, with a high near 91. A west wind will blow at 5–10 mph.
  • Sunday Night: The weather will be mostly clear, with a low around 61.
  • Monday: There is a 20% chance of showers after noon. It will be mostly sunny and hot, with a high near 93.
  • Monday Night: The weather will be partly cloudy, with a low around 60.
  • Tuesday: There is a slight chance of showers and thunderstorms after noon. It will be sunny and hot, with a high near 91.
  • Tuesday Night: There is a slight chance of showers before midnight. The weather will be partly cloudy, with a low around 57.
  • Wednesday: There is a chance of showers and thunderstorms. It will be mostly sunny, with a high near 89.
  • Wednesday Night: There is a slight chance of showers and thunderstorms. The weather will be partly cloudy, with a low around 58.
  • Thursday: There is a chance of showers and thunderstorms. It will be mostly sunny and hot, with a high near 91.

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