Casper, WY Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Casper, WY in one place.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 65. Chance of precipitation is 50%.
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: Oct 10, 2026 6:47 AM MDT.
The active forecast window currently covers Oct 13 to Oct 16, 2026 for Casper, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 6:47 AM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Casper
Tuesday looks like the warmest upcoming period in Casper at 65 degrees F.
Thursday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Wednesday at about 15 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 6:47 AM MDT
- Coverage
- 4 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
Rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a high near 57.
Rain showers likely. Mostly cloudy, with a low around 34.
A chance of rain showers. Mostly sunny, with a high near 57.
A chance of rain showers before midnight, then a slight chance of rain and snow showers. Partly cloudy, with a low around 30.
Sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Chance Rain Showers
|
65°F |
3 to 10 mph
S
|
|
Tuesday Night
Oct 13
|
Rain Showers Likely
|
37°F |
10 mph
ENE
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
57°F |
15 mph
NW
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
34°F |
12 mph
W
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
57°F |
12 mph
WNW
|
|
Thursday Night
Oct 15
|
Chance Rain Showers then Slight Chance Rain And Snow Showers
|
30°F |
3 to 7 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
61°F |
5 to 8 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casper.