Lost Springs, WY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lost Springs, WY in one place.
Sunny. High near 96, with temperatures falling to around 94 in the afternoon. Southeast wind 5 to 15 mph.
Local Weather Overview
This forecast page for Lost Springs, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 12:29 PM MDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Lost Springs, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 12:29 PM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Lost Springs
Sunday looks like the warmest upcoming period in Lost Springs at 99 degrees F.
Thursday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday Night at about 15 to 20 mph SE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 12:29 PM MDT
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KCYS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 63, with temperatures rising to around 66 overnight. East southeast wind 5 to 15 mph.
Sunny, with a high near 97. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 99. West wind around 5 mph.
Partly cloudy, with a low around 64.
Sunny, with a high near 97.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of rain showers before noon. Partly sunny, with a high near 89.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
A slight chance of rain showers before noon, then showers and thunderstorms likely. Partly sunny, with a high near 87.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Sunny
|
96°F |
5 to 15 mph
SE
|
|
Tonight
Jul 17
|
Mostly Clear
|
63°F |
5 to 15 mph
ESE
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
5 to 15 mph
SSE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
66°F |
10 to 15 mph
SSE
|
|
Sunday
Jul 19
|
Sunny
|
99°F |
5 mph
W
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
64°F |
0 to 5 mph
NNE
|
|
Monday
Jul 20
|
Sunny
|
97°F |
0 to 15 mph
N
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
61°F |
5 to 15 mph
ENE
|
|
Tuesday
Jul 21
|
Chance Rain Showers then Partly Sunny
|
89°F |
5 to 15 mph
ESE
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
61°F |
15 to 20 mph
SE
|
|
Wednesday
Jul 22
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
10 to 15 mph
ESE
|
|
Wednesday Night
Jul 22
|
Showers And Thunderstorms Likely
|
60°F |
0 to 10 mph
SSE
|
|
Thursday
Jul 23
|
Showers And Thunderstorms Likely
|
87°F |
0 to 5 mph
NNE
|
|
Thursday Night
Jul 23
|
Chance Showers And Thunderstorms
|
59°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lost Springs.