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, with a high near 50.
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: Apr 16, 2026 1:06 AM MDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Lost Springs, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 1:06 AM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Lost Springs
Tuesday looks like the warmest upcoming period in Lost Springs at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Saturday at about 10 to 25 mph WNW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 16, 2026 1:06 AM MDT
- Coverage
- 5 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, with a low around 24.
Sunny, with a high near 68.
Mostly clear, with a low around 34.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 39.
Sunny, with a high near 78.
Partly cloudy, with a low around 43.
A slight chance of rain showers after noon. Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Sunny
|
50°F |
10 to 25 mph
WNW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
24°F |
0 to 15 mph
WSW
|
|
Sunday
Apr 19
|
Sunny
|
68°F |
0 to 10 mph
WSW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
5 to 10 mph
WSW
|
|
Monday
Apr 20
|
Mostly Sunny
|
75°F |
5 to 15 mph
WSW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
39°F |
5 to 10 mph
W
|
|
Tuesday
Apr 21
|
Sunny
|
78°F |
5 to 15 mph
WSW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
43°F |
5 to 15 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
5 to 20 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lost Springs.