Weather forecast for 10 daysLost Springs, WY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphN 2°
  • Humidity: 37%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
On Sunday, in Lost Springs, sunny intervals will be long-lasting, with few disruptions.
The day's temperature range will span from a high of a comfortable 66.2°F to a minimum of a wintry 37.4°F.
The high temperature will be slightly warmer than the typical October level of 57.7°F.
Sunrise will be at 7:16 am and sunset at 6:12 pm; the daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Warmest day: Thursday 73°C.
Coldest day: Saturday 54°C.

Chance of precipitation

Highest chance: Friday 34%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphN 2°
  • Humidity: 37%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSE 154°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:18 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSW 224°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSE 166°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:20 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 171°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 68°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.08"
  • Wind: 14mphSW 226°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:22 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 11mphNNW 331°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 13mphSSE 159°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 11mphSSE 155°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 6:00 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 59°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 13mphSSW 213°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:27 am MDT
  • Sunset: 5:59 pm MDT
  • ▼
During the ten-day period, dry and sunny, gloomy and damp weather is expected.
With a 34% probability, rainfall is predicted only for Friday. Forecasted precipitation will be minimal at 0.08".
There will be a considerable variation in temperature across the forecast period. The temperature is expected to swing from 53.6°F up to 73.4°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 35.6°F and 50°F.
Thursday is expected to be the warmest, reaching up to 73.4°F; Saturday will be the coldest day, with the highest temperature of 53.6°F.
Updated: Oct 18, 2026 @ 09:56:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a glowing sky and minimal clouds are expected.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 39.6°F.

On Sunday, in Lost Springs, sunrise will be at 7:16 am and sunset at 6:12 pm (MDT).

In Lost Springs, today, there will be 10h and 56min of daylight.