Lost Springs, WY Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lost Springs, WY in one place.
A chance of showers and thunderstorms after noon. Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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: Jun 1, 2026 11:00 PM MDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Lost Springs, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 1, 2026 11:00 PM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Lost Springs
Saturday looks like the warmest upcoming period in Lost Springs at 91 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 20 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 11:00 PM MDT
- Coverage
- 7 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
A slight chance of showers and thunderstorms. Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 79. North northeast wind around 5 mph.
Partly cloudy, with a low around 49. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 50.
Sunny, with a high near 84.
Mostly clear, with a low around 50.
Sunny, with a high near 91.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Sunny then Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
SSE
|
|
Tuesday Night
Jun 2
|
Slight Chance Showers And Thunderstorms
|
46°F |
5 to 10 mph
SW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
79°F |
5 mph
NNE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
49°F |
5 to 10 mph
SE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
84°F |
5 to 10 mph
SSE
|
|
Thursday Night
Jun 4
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
50°F |
5 to 15 mph
NNE
|
|
Friday
Jun 5
|
Sunny
|
84°F |
5 mph
N
|
|
Friday Night
Jun 5
|
Mostly Clear
|
50°F |
5 to 10 mph
SE
|
|
Saturday
Jun 6
|
Sunny
|
91°F |
5 to 10 mph
SSE
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
54°F |
10 to 20 mph
SSE
|
|
Sunday
Jun 7
|
Mostly Sunny
|
89°F |
10 to 20 mph
S
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
50°F |
5 to 20 mph
S
|
|
Monday
Jun 8
|
Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
5 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lost Springs.