Local weather forecast

Weather in Casper, WY

Updated 2026-08-11 09:15 local time · ZIP codes 82601, 82604, 82609

Sunny
Now82°F

Sunny

High / Low94° / 68°
Rain chance1%
Wind12 mph
Weather alerts

Active alerts

2
Red Flag Warning issued August 10 at 9:27PM MDT until August 11 at 9:00PM MDT by NWS Cheyenne WY

...RED FLAG WARNING HAS EXPIRED FOR LOW RH AND GUSTY WINDS MPH FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, AND 427... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 9 PM MDT Tuesday. * AFFECTED AREA...Fire weather zones 417 through 427. * WIND...North to northwest at 15 to 20 mph with gusts up to 35 mph. * HUMIDITY...Between 9 and 16 percent. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Safety instructions

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.

Red Flag Warning issued August 11 at 1:08AM MDT until August 11 at 9:00PM MDT by NWS Cheyenne WY

The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 9 PM MDT Tuesday. * AFFECTED AREA...Fire weather zones 417 through 430. * WIND...West to northwest at 15 to 20 mph with gusts up to 35 mph, turning northerly into the evening hours. * HUMIDITY...Between 8 and 16 percent. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Safety instructions

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.

Hourly

Next hours

NowSunny82°1% rain
10 AMSunny87°0% rain
11 AMSunny90°1% rain
12 PMPartly Cloudy92°2% rain
1 PMSunny91°0% rain
2 PMSunny94°1% rain
3 PMSunny94°0% rain
4 PMSunny94°0% rain
5 PMSunny94°1% rain
6 PMSunny92°1% rain
7 PMSunny90°1% rain
8 PMSunny82°1% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
94° 68°Sunny
Rain 1%Gust 17 mph
Tomorrow2026-08-12
Sunny
89° 64°Sunny
Rain 2%Gust 18 mph
Thursday2026-08-13
Patchy rain nearby
84° 62°Patchy rain nearby
Rain 57%Gust 12 mph
Conditions

Weather details

Feels like73°F
Humidity19%
Pressure29.87 inHg
Visibility6 mi
Wind12 mph SW
Wind gusts14 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:07 AM
Sunset08:14 PM
Moonrise04:08 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 2%).

Light layers should work

It feels like 73°F with winds near 12 mph.

Best window: 9 AM

82°F, 1% rain chance and 12 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 21 mph.

Run with a few weather adjustments

Current temperature is 82°F, wind 12 mph, rain chance up to 2%.

Low UV protection needs

UV index is 2.

Casper weather today

Sunny and 82°F in Casper, WY. Today's high is 94°F with a 1% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 19%, pressure is 29.87 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Casper

Sunrise is at 06:07 AM and sunset is at 08:14 PM. Tomorrow's forecast calls for Sunny with a high near 89°F and a low near 64°F. The maximum rain chance is 2%.

Nearby

Weather near Casper

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