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Little America, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Little America, a community in Sweetwater County, Wyoming.

This Afternoon
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 65, with temperatures falling to around 59 in the afternoon. West wind around 9 mph. Chance of precipitation is 40%.

7-day forecast for Little America

WhenTempForecastWindPrecip
This Afternoon 65°F Chance Showers And Thunderstorms 9 mph W 36%
Tonight 35°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 to 9 mph W 23%
Sunday 64°F Sunny 8 mph W 1%
Sunday Night 35°F Mostly Clear 2 to 8 mph W 0%
Monday 68°F Sunny 2 mph NNW 0%
Monday Night 39°F Partly Cloudy 2 mph SE 1%
Tuesday 70°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 mph SSW 12%
Tuesday Night 40°F Chance Showers And Thunderstorms 6 mph WSW 40%
Wednesday 70°F Mostly Sunny 6 mph WSW 10%
Wednesday Night 38°F Mostly Clear 5 mph WSW 2%
Thursday 74°F Sunny 2 mph SSE 3%
Thursday Night 41°F Partly Cloudy 3 mph SE 2%
Friday 74°F Mostly Sunny 2 mph S 4%
Friday Night 42°F Partly Cloudy 6 mph S 8%

Forecast source: National Weather Service (api.weather.gov) for Little America (41.549, -109.885). Updated through the day.

Growing snapshot for Little America

Last spring frost
May 25
First fall frost
Sep 27
Growing season
124 days
Hardiness zone
5a

More local growing data for Little America: nearby ZIP 82929 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Church Buttes Gas Plt, Wy (14.9 mi from Little America). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.