Casper, WY Weather Forecast
Local 7-day forecast
Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Casper, WY in one place.
Patchy smoke before 1pm, then patchy smoke and isolated showers and thunderstorms. Mostly sunny, with a high near 91. North wind 3 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
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 21, 2026 2:46 PM MDT.
The active forecast window currently covers Jul 22 to Jul 27, 2026 for Casper, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 22 to Jul 27, 2026
- Latest sync
- Jul 21, 2026 2:46 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Casper
Saturday looks like the warmest upcoming period in Casper at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday at about 3 to 15 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 21, 2026 2:46 PM MDT
- Coverage
- 7 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
Patchy smoke and scattered showers and thunderstorms before 7pm, then patchy smoke and showers and thunderstorms. Mostly cloudy, with a low around 61. Northeast wind 2 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 9am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Northwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.
Sunny, with a high near 94. West wind 6 to 12 mph.
Mostly clear, with a low around 64.
Sunny, with a high near 97.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 97.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 96.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 22
|
Patchy Smoke
|
91°F |
3 to 15 mph
N
|
|
Wednesday Night
Jul 22
|
Patchy Smoke
|
61°F |
2 to 15 mph
NE
|
|
Thursday
Jul 23
|
Showers And Thunderstorms Likely
|
86°F |
3 to 7 mph
NW
|
|
Thursday Night
Jul 23
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
60°F |
3 to 8 mph
SE
|
|
Friday
Jul 24
|
Sunny
|
94°F |
6 to 12 mph
W
|
|
Friday Night
Jul 24
|
Mostly Clear
|
64°F |
6 mph
WSW
|
|
Saturday
Jul 25
|
Sunny
|
97°F |
12 mph
SW
|
|
Saturday Night
Jul 25
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
66°F |
7 mph
WSW
|
|
Sunday
Jul 26
|
Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
10 mph
W
|
|
Sunday Night
Jul 26
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
7 mph
W
|
|
Monday
Jul 27
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
7 mph
W
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
5 to 8 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casper.
