Don Day Wyoming Weather Forecast: Monday, May 15, 2023

Warmer and drier conditions are on the way, although there’s still a chance for precipitation today in some parts of Wyoming. The winds are calmer today and temperatures are expected to return to near to just above normal for the beginning of the week.

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Wendy Corr

May 15, 20236 min read

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It’s Monday, May 15 – and if you’re tired of the rain and chill, it’s your lucky week! Warmer and drier conditions are on the way, although there’s still a chance for precipitation today in some parts of the state. The winds are calmer today (thank goodness), and temperatures are expected to return to near to just above normal for most of the upcoming week. 

Central:

Mostly sunny today in Riverton, with isolated showers and thunderstorms this afternoon, and a high near 75. Mostly sunny in Casper today, with isolated showers and thunderstorms after noon and a high near 70. Mostly cloudy today in Jeffrey City, gradually becoming sunny, with isolated showers and thunderstorms in the afternoon, and a high near 70. 

Mostly clear overnight in Riverton, with a low around 44. Partly cloudy in Casper tonight, with a low around 49. Mostly clear in Jeffrey City overnight, with Isolated showers and thunderstorms and a low around 44. 

Southwest:

Mostly sunny today in Rock Springs, with scattered showers and thunderstorms, in the afternoon and a high near 72. Partly sunny in Evanston today, with a 40 percent chance of showers and thunderstorms after noon and a high near 67. Partly sunny today in Lyman, with a 40 percent chance of showers and thunderstorms after noon and a high near 69. 

Mostly clear in Rock Springs overnight, with a low around 43. Mostly clear tonight in Evanston, with a low around 39. Mostly clear in Lyman overnight, with a low around 40. 

Western Wyoming:

Mostly sunny today in Alpine, with scattered showers and thunderstorms possible after noon, and a high near 74. Mostly sunny in Pinedale today, with scattered showers and thunderstorms after noon and a high near 64. Mostly sunny today in Big Piney, with scattered showers and thunderstorms after noon and a high near 72. 

Mostly clear in Alpine overnight, with isolated showers and thunderstorms and a low around 39. Mostly clear tonight in Pinedale, with a low around 38. Mostly clear overnight in Big Piney, with a low around 35. 

Northwest:

Mostly sunny today in Jackson, with isolated showers in the morning and scattered showers and thunderstorms after noon, with a high near 72. Mostly sunny and breezy in Dubois today, with scattered showers and thunderstorms and a high near 68; winds could gust as high as 21 mph. Mostly sunny today in Yellowstone National Park, with scattered showers and thunderstorms after noon and a high near 72. 

Partly cloudy overnight in Jackson, with isolated showers and thunderstorms in the evening and a low around 37. Mostly clear and breezy today in Dubois, with isolated showers and thunderstorms evening and a low around 39; winds could gust as high as 20 mph. Partly cloudy in Yellowstone National Park overnight, with isolated showers and thunderstorms in the evening, and a low around 43. 

Bighorn Basin:

Mostly sunny today in Cody, with scattered showers and thunderstorms in the afternoon, and a high near 75. Mostly sunny in Thermopolis today, with isolated showers and thunderstorms, and a high near 75. Mostly sunny in Ten Sleep, with a high near 75. 

Partly cloudy overnight in Cody, with isolated showers and thunderstorms and a low around 50. Partly cloudy in Thermopolis tonight, with isolated showers and thunderstorms this evening, and a low around 47. Mostly clear overnight in Ten Sleep, with a low around 50. 

North Central:

Mostly sunny today in Sheridan, with areas of fog in the morning, and a high near 72. Mostly sunny and breezy today in Buffalo, with a high near 69 and winds gusting as high as 26 mph. There’s a 20 percent chance of showers and thunderstorms in Big Horn after noon, otherwise mostly sunny, with a high near 71. 

Partly cloudy in Sheridan overnight, with a low around 45. Mostly clear tonight in Buffalo, with a low around 50. Partly cloudy overnight in Big Horn, with a low around 48. 

Northeast:

Mostly sunny today in Sundance, with a high near 63. Partly sunny and breezy in Gillette today, with a high near 66 and wind gusts as high as 22 mph. Mostly sunny today in Moorcroft, with a high near 66. 

Partly cloudy in Sundance overnight, with a low around 44. Mostly clear tonight in Gillette, with a low around 45. Partly cloudy overnight in Moorcroft, with a low around 44. 

Eastern Plains:

Mostly cloudy today in Torrington, with patchy fog in the morning, and a high near 64. Mostly cloudy in Lusk today, with patchy fog in the morning and a 20 percent chance of showers in the afternoon and a high near 61. Mostly sunny in Midwest today, with a high near 71. 

Partly cloudy overnight in Torrington, with a 20 percent chance of showers in the evening, and a low around 43. Mostly clear tonight in Lusk, with a low around 41. Mostly clear in Midwest overnight, with a low around 45. 

Southeast:

Mostly cloudy today in Cheyenne, with areas of fog in the morning and a 50 percent chance of showers and thunderstorms in the afternoon, with a high near 60. Partly sunny in Laramie today, with areas of fog in the morning and showers and thunderstorms in the afternoon, with a high near 63. Mostly cloudy in Chugwater today, with areas of fog in the morning and a chance of showers and thunderstorms in the afternoon, with a high near 60. 

Mostly cloudy in Cheyenne tonight, then gradually becoming mostly clear, with a low around 43. Partly cloudy overnight in Laramie, with a low around 40. Partly cloudy in Chugwater overnight, with a low around 44. 

South Central:

Mostly cloudy today in Rawlins, then gradually becoming sunny, with a 40 percent chance of showers and thunderstorms in the afternoon, and a high near 70. Partly sunny in Encampment today, with showers likely and possibly a thunderstorm in the afternoon, with a high near 65. Partly sunny today in Hanna, with a 50 percent chance of showers and thunderstorms after noon and a high near 65. 

Partly cloudy tonight in Rawlins, with a low around 45. Partly cloudy in Encampment overnight, with a low around 42. Partly cloudy overnight in Hanna, with a slight chance of showers and thunderstorms in the evening, and a low around 43. 

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Wendy Corr

Features Reporter