Casper, WY Weather Forecast
Natrona County, Wyoming
Live radar, warnings and storm tracking for Casper, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Casper
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Casper, WY at a glance
Casper is home to about 58,720 people in Natrona County, across 27 square miles. It ranks 2nd by population of 25 places in Wyoming with a forecast here. The nearest neighbour with its own forecast is Mills, 4 miles away.
- County
- Natrona County
- Population
- 58,720 2023 est.
- Land area
- 27 sq mi
- People per sq mi
- 2,195
- Forecast point
- 42.8421°N, 106.3213°W
How well can the network see Casper?
The nearest Doppler radar is KRIW (Riverton, WY), to the W. Its lowest scan passes about 11,100 ft above Casper. At that range the beam overshoots the base of a storm. If a warning for Casper looks unsupported on radar, trust the warning.
The closest weather station is KCPR (Casper/Natrona Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Casper
- Mills, WY4 mi
- Evansville, WY4 mi
- Bar Nunn, WY6 mi
- Glenrock, WY23 mi
- Douglas, WY47 mi
- Rawlins, WY86 mi
- Wheatland, WY88 mi
- Riverton, WY105 mi
Elsewhere in Wyoming
CheyenneGilletteLaramieRock SpringsSheridanEvanstonAll Wyoming forecasts →