Live Weather & Forecast

Weather in Casper

Wyoming, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
8°C
Feels like 3°C
46°F / Feels 38°F
Overcast
Casper, Wyoming
🌙 Nighttime
Updated: 2026-04-11 22:30
💧
Humidity
68%
💨
Wind
34.2 km/h SW
🌬️
Wind Gust
40.6 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
3.1°C
🌐
Wind Degree
236°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
133.9 μg/m³
NO₂
2.1 μg/m³
O₃
94 μg/m³
SO₂
1.1 μg/m³
PM 2.5
5.3 μg/m³
PM 10
21.3 μg/m³

Weather Alerts 1

Met · Severe · Expected
Red Flag Warning issued April 11 at 11:01AM MDT until April 13 at 8:00PM MDT by NWS Cheyenne WY

The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon Sunday to 8 PM MDT Monday. The Fire Weather Watch has been upgraded. * WIND...West to southwest 15 to 20 mph. Gusts 25 to 35 mph. * HUMIDITY...8 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor humidity...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-11T11:01:00-06:00  ·  Expires: 2026-04-12T06:15:00-06:00

Today's Hourly Forecast

24-hour breakdown for Casper, Wyoming

12 AM
Clear
9°
Clear
💧 67% 💨 7.2 km/h
1 AM
Clear
8°
Clear
💧 71% 💨 6.5 km/h
2 AM
Overcast
7°
Overcast
💧 70% 💨 7.9 km/h
3 AM
Clear
6°
Clear
💧 71% 💨 9.4 km/h
4 AM
Overcast
6°
Overcast
💧 64% 💨 9.7 km/h
5 AM
Overcast
6°
Overcast
💧 55% 💨 11.2 km/h
6 AM
Clear
6°
Clear
💧 52% 💨 14 km/h
7 AM
Sunny
8°
Sunny
💧 47% 💨 14.4 km/h
8 AM
Sunny
12°
Sunny
💧 35% 💨 20.9 km/h
9 AM
Sunny
15°
Sunny
💧 30% 💨 28.1 km/h
10 AM
Sunny
18°
Sunny
💧 25% 💨 37.8 km/h
11 AM
Sunny
20°
Sunny
💧 24% 💨 36.4 km/h
12 PM
Sunny
21°
Sunny
💧 22% 💨 34.6 km/h
1 PM
Sunny
22°
Sunny
💧 20% 💨 35.6 km/h
2 PM
Sunny
22°
Sunny
💧 19% 💨 34.2 km/h
3 PM
Sunny
22°
Sunny
💧 20% 💨 27.4 km/h
4 PM
Sunny
22°
Sunny
💧 19% 💨 55.1 km/h
5 PM
Partly Cloudy
21°
Partly Cloudy
💧 21% 💨 29.5 km/h
6 PM
Partly Cloudy
19°
Partly Cloudy
💧 27% 💨 35.3 km/h
7 PM
Partly Cloudy
17°
Partly Cloudy
💧 33% 💨 58.3 km/h
8 PM
Clear
14°
Clear
💧 40% 💨 38.2 km/h
9 PM
Partly Cloudy
10°
Partly Cloudy
💧 54% 💨 28.8 km/h
10 PM
Overcast
8°
Overcast
💧 68% 💨 34.2 km/h
11 PM
Clear
7°
Clear
💧 73% 💨 32.4 km/h

3-Day Forecast

Daily overview for Casper, Wyoming

Today
Sunny
Sunny
23° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 58.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:30 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 42% lit
Sun, Apr 12
Sunny
Sunny
21° / 3°
🌧️ 0% chance of rain
💧 Avg. humidity: 47%
💨 Max wind: 41 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
Sunny
17° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 39%
💨 Max wind: 59.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 23% lit

Best Time to Visit Casper

Plan your trip to Casper, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Casper 🗓 View Holidays 2026

Frequently Asked Questions

People also ask — answers optimized for search engines and voice queries.

What is the current weather in Casper?
Current conditions in Casper: Overcast, temperature 8°C, humidity 68%.
What is the best time to visit Casper?
The best time to visit Casper is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Casper?
Casper is located at approximately 42.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Casper?
The wettest period in Casper is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Casper?
For visits to Casper during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Casper in?
Casper is located in United States, in the state of Wyoming.
What are the public holidays in Casper in 2026?
View the 2026 public holidays for Casper on our Holidays page.
What are the GPS coordinates used for the weather forecast in Casper?
The weather forecast for Casper uses coordinates 42.8501, -106.3251.