Casper, WY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Casper, WY in one place.
Sunny, with a high near 101. East southeast wind 1 to 15 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Casper, 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 12, 2026 1:10 AM MDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Casper, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:10 AM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Casper
Tuesday looks like the warmest upcoming period in Casper at 101 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Wednesday Night at about 9 to 18 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:10 AM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
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 66. East southeast wind 9 to 16 mph, with gusts as high as 25 mph.
Sunny, with a high near 98.
Partly cloudy, with a low around 63.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 96.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.
Sunny, with a high near 95.
Partly cloudy, with a low around 63.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
101°F |
1 to 15 mph
ESE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
66°F |
9 to 16 mph
ESE
|
|
Wednesday
Jul 15
|
Sunny
|
98°F |
5 to 9 mph
NE
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
63°F |
9 to 18 mph
E
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
5 to 10 mph
NNE
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
7 to 14 mph
ESE
|
|
Friday
Jul 17
|
Sunny
|
95°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
63°F |
8 to 13 mph
ENE
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
6 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casper.