Casper, WY Weather Forecast

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Casper, WY Weather Forecast

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Casper WY weather  - Clear - 66°F
Clear
66°F
Updated 1:20 pm
Feels Like 50°F
Humidity 23%
Wind SSW 28 mph
Barometer  30.23 in
Dew Point 28°F
Casper WY weather  - Clear - 19°C
Clear
19°C
Updated 1:20 pm
Feels Like 10°C
Humidity 23%
Wind SSW 45 km/h
Barometer  102.4 kPa
Dew Point -2°C

Casper Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Casper, WY Weather - Today Sunny Casper, WY Weather - Tonight Clear Casper, WY Weather - Sunday Sunny Casper, WY Weather - Sunday Night Mostly Clear Casper, WY Weather - Monday Mostly Sunny Casper, WY Weather - Monday Night Clear Casper, WY Weather - Tuesday Sunny Casper, WY Weather - Tuesday Night Mostly Clear Casper, WY Weather - Wednesday Sunny Casper, WY Weather - Wednesday Night Mostly Clear Casper, WY Weather - Thursday Partly Cloudy Casper, WY Weather - Thursday Night Chance Of Showers
Sunny Clear Sunny Mostly Clear Mostly Sunny Clear Sunny Mostly Clear Sunny Mostly Clear Partly Cloudy Chance of Showers
Hi: 65°FHi: 18°C
Lo: 40°FLo: 4°C Hi: 60°FHi: 16°C
Lo: 35°FLo: 2°C Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
Lo: 45°FLo: 7°C Hi: 70°FHi: 21°C
Lo: 45°FLo: 7°C
POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 931 AM MDT Sat Oct 17 2026 Casper, WY Weather - WeatherWorld.com

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Issued: 1233 PM MDT Sat Oct 17 2026

Key Messages

  • Warmer today, with most areas reaching highs in the 60s. Johnson County is especially warm, with highs in the mid to upper 70s.
  • Mostly clear and warm conditions continue into early next week, with highs again in the 60s.
  • A low chance for showers returns to far western Wyoming on Tuesday, but any rain accumulations are minimal.

Discussion

... Issued at 207 AM MDT Sat Oct 17 2026

H5 ridging dominates the weather today, bringing much warmer temperatures across western and central Wyoming. ...