Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

81°F

27°C

Humidity	48%
Wind Speed	W 3 mph
Barometer	30.14 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	27 Jul 4:55 pm MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Boulder CO

This Afternoon
High: 87 °F
Chance
T-storms
Tonight
Low: 66 °F
Chance
T-storms then
Mostly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
then T-storms
Likely
Tuesday Night
Low: 64 °F
Showers
Likely then
Partly Cloudy
Wednesday
High: 90 °F
Sunny then
T-storms
Likely
Wednesday Night
Low: 64 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 64 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 93 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 87. West wind around 5 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 66. West southwest wind around 6 mph becoming calm in the evening.

Tuesday

Showers and thunderstorms likely, mainly after 3pm. Increasing clouds, with a high near 90. Calm wind becoming east northeast around 6 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Light and variable wind. Chance of precipitation is 60%.

Wednesday

Showers and thunderstorms likely after noon. Partly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 70%.

Wednesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 64. Chance of precipitation is 40%.

Thursday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

Thursday Night

A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 64.

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 93.

Friday Night

Mostly clear, with a low around 64.

Saturday

Sunny, with a high near 93.

Saturday Night

Mostly clear, with a low around 64.