Little America, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Little America, a community in Sweetwater County, Wyoming.
Today
65°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms likely between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 65, with temperatures falling to around 60 in the afternoon. West wind 6 to 9 mph. Chance of precipitation is 60%.
7-day forecast for Little America
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph W | 56% |
| Tonight | 35°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 9 mph W | 18% |
| 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 | 42% |
| Wednesday | 70°F | Mostly Sunny | 6 mph WSW | 10% |
| Wednesday Night | 38°F | Mostly Clear | 6 mph WSW | 2% |
| Thursday | 73°F | Sunny | 2 mph N | 3% |
| Thursday Night | 41°F | Partly Cloudy | 3 mph SE | 3% |
| Friday | 74°F | Mostly Sunny | 2 mph S | 4% |
| Friday Night | 42°F | Partly Cloudy | 6 mph S | 9% |
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
Nearby towns & communities
Arrowhead Springs
Bairoil
Clearview Acres
Eden
Farson
Granger
Green River
James Town
McKinnon
North Rock Springs
Point of Rocks
Purple Sage
Reliance
Rock Springs
Superior
Table Rock
Wamsutter
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 19, 2026.