August 18, 2021 — Here is your Sweetwater County seven-day forecast from the National Weather Service in Riverton, Wyoming.
Red Flag Warning in effect to 9 p.m. today
Today – Showers and thunderstorms before 11 are, then showers likely and possibly a thunderstorm between 11 am and 1 pm, then a chance of showers and thunderstorms after 1 pm. Some of the storms could produce small hail and gusty winds. Areas of smoke before 7 am. High near 72. Breezy, with a south southwest wind of 7 to 16 mph, with gusts as high as 25 mph. The chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight – Showers and thunderstorms likely before 10 pm, then showers likely and possibly a thunderstorm between 10 pm and 2 am, then a chance of showers and thunderstorms after 2 am. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 51. Breezy, with a west southwest wind of 8 to 15 mph becoming east southeast after midnight. Winds could gust as high as 23 mph. The chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday – A chance of showers and thunderstorms before 10 am, then showers likely and possibly a thunderstorm between 10 am and 4 pm, then a chance of showers and thunderstorms after 4 pm. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a high near 61. West southwest wind 8 to 13 mph. The chance of precipitation is 60%.
Thursday Night – A chance of showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 44. West wind 9 to 14 mph, with gusts as high as 21 mph. The chance of precipitation is 50%.
Friday – A 30 percent chance of showers, mainly between 7 am and 1 pm. Partly sunny, with a high near 69. West wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night – A 20 percent chance of showers before 7 pm. Mostly clear, with a low around 45. West wind 6 to 13 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.
Saturday – Mostly sunny, with a high near 77. Breezy.
Saturday Night – A chance of showers and thunderstorms between 7 pm and 1 am, then a chance of showers after 1 am. Partly cloudy, with a low around 48. Breezy. The chance of precipitation is 30%.
Sunday – A chance of showers, with thunderstorms also possible after 1 pm. Mostly sunny, with a high near 76. Breezy. The chance of precipitation is 30%.
Sunday Night – A chance of showers and thunderstorms. Mostly clear, with a low around 49. Breezy.
Monday – Sunny, with a high near 85.
Monday Night – Mostly clear, with a low around 51.
Tuesday – Sunny, with a high near 83.
