Casper, WY Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Casper, WY in one place.
A slight chance of rain showers after noon. Mostly sunny, with a high near 73. Southwest wind 10 to 24 mph, with gusts as high as 37 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: Apr 9, 2026 1:31 PM MDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Casper, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:31 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Casper
Saturday looks like the warmest upcoming period in Casper at 73 degrees F.
Monday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Sunday at about 18 to 26 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:31 PM MDT
- Coverage
- 6 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
A slight chance of rain showers before midnight. Partly cloudy, with a low around 46. Southwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 69. Southwest wind 18 to 26 mph, with gusts as high as 39 mph.
Partly cloudy, with a low around 43.
A chance of rain showers after noon. Mostly sunny, with a high near 63. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 36.
A chance of rain showers before noon, then showers and thunderstorms likely. Partly sunny, with a high near 58.
A chance of rain showers before midnight. Partly cloudy, with a low around 36.
Sunny, with a high near 63.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
10 to 24 mph
SW
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Partly Cloudy
|
46°F |
18 to 23 mph
SW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
69°F |
18 to 26 mph
SW
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
43°F |
13 to 20 mph
SW
|
|
Monday
Apr 13
|
Mostly Sunny then Chance Rain Showers
|
63°F |
21 to 26 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain Showers
|
36°F |
9 to 17 mph
WSW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
58°F |
9 to 13 mph
W
|
|
Tuesday Night
Apr 14
|
Chance Rain Showers then Partly Cloudy
|
36°F |
9 mph
W
|
|
Wednesday
Apr 15
|
Sunny
|
63°F |
17 to 26 mph
WSW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy then Slight Chance Rain Showers
|
39°F |
15 to 23 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casper.
