Local weather forecast

Weather in Boulder, WY

Updated 2026-08-11 11:00 local time · ZIP codes 82923

Sunny
Now76°F

Sunny

High / Low86° / 54°
Rain chance1%
Wind11 mph
Weather alerts

Active alerts

5
Red Flag Warning issued August 10 at 8:54PM MDT until August 11 at 9:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Northwest WY...Fire Weather Zone 286. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs...Park. * WIND: West 10 to 20 mph with gusts up to 35 mph. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Lows in the lower 50s. Highs in the upper 70s.

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 10 at 8:54PM MDT until August 11 at 9:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...285...300. In North Central WY Fire Zone....281. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs...Johnson...Washakie. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Lows around 60. Highs in the lower 90s.

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 10 at 8:54PM MDT until August 11 at 9:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...283...289. In North Central WY Fire Zone....287. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs. In Southwest WY...Sweetwater. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Lows around 60. Highs around 90.

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 10 at 8:54PM MDT until August 10 at 9:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Southwest WY Fire Zone....279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Southwest WY...Sweetwater. In West Central WY...Lincoln...Sublette. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 14 percent. * TEMPERATURES: Lows in the mid 50s. Highs in the mid 80s.

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 10 at 8:54PM MDT until August 10 at 9:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...285...300. In North Central WY Fire Zone....281. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs...Johnson...Washakie. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Lows around 60. Highs in the lower 90s.

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

NowSunny76°0% rain
12 PMSunny82°1% rain
1 PMPartly Cloudy84°2% rain
2 PMPartly Cloudy85°2% rain
3 PMPartly Cloudy86°2% rain
4 PMSunny86°1% rain
5 PMSunny85°1% rain
6 PMSunny84°1% rain
7 PMSunny82°1% rain
8 PMSunny71°1% rain
9 PMClear66°1% rain
10 PMClear64°2% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
86° 54°Sunny
Rain 1%Gust 15 mph
Tomorrow2026-08-12
Partly Cloudy
81° 58°Partly Cloudy
Rain 57%Gust 15 mph
Thursday2026-08-13
Patchy rain nearby
71° 54°Patchy rain nearby
Rain 57%Gust 12 mph
Conditions

Weather details

Feels like74°F
Humidity20%
Pressure30.32 inHg
Visibility7 mi
Wind11 mph WNW
Wind gusts13 mph
Precipitation0.00 in
UV index6
Daylight

Sunrise, sunset and moon

Sunrise06:20 AM
Sunset08:25 PM
Moonrise04:22 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 74°F with winds near 11 mph.

Best window: 8 PM

71°F, 1% rain chance and 5 mph wind.

Driving conditions look generally normal

Visibility is around 7 mi; gusts may reach 20 mph.

Good conditions for an easy run

Current temperature is 76°F, wind 11 mph, rain chance up to 2%.

Moderate UV protection recommended

UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.

Boulder weather today

Sunny and 76°F in Boulder, WY. Today's high is 86°F with a 1% rain chance. Winds are around 11 mph with gusts near 13 mph. Relative humidity is 20%, pressure is 30.32 inHg, and visibility is about 7 miles.

Tonight and tomorrow in Boulder

Sunrise is at 06:20 AM and sunset is at 08:25 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 81°F and a low near 58°F. The maximum rain chance is 57%.

Nearby

Weather near Boulder

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