Climate change in Weston County, Wyoming
Since 1979, Weston County, Wyoming has warmed 1.9°F, with 9 more days above 90°F, about the same number of nights above 70°F and 7% more precipitation a year. Its climate in 1996–2025 is most like Sioux County, NE's was in 1951–1980.
- Average temperature: +1.9°F
- Summer highs (Jun–Aug): +2.0°F
- Winter lows (Dec–Feb): +2.3°F
- Precipitation: +7%
- Wettest day of the year: +11%
- Longest dry spell: −1 days
- Days above 90°F: +9 days
- Nights above 70°F: +0 days
- Freezing nights: −8 days
- Frost-free season: +19 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +2.1°F
- Extreme fire-weather days: +10 days
- Snowfall: −17%
- Snowy days (1 inch or more): −6 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.