Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

70°F

21°C

Humidity	40%
Wind Speed	Calm
Barometer	30.08 in
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	16 Aug 2:35 am MDT

More Information:

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

Extended Forecast for

2 Miles WNW Aspen Springs CO

Overnight
Low: 50 °F
Partly Cloudy
Saturday
High: 70 °F
Partly Sunny
then T-storms
Likely
Saturday Night
Low: 51 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 71 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 50 °F
Partly Cloudy
Monday
High: 73 °F
Sunny then
Chance
T-storms
Monday Night
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 73 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 50 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 50. West wind around 8 mph.

Saturday

Showers and thunderstorms likely after noon. Partly sunny, with a high near 70. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Saturday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. North northwest wind 5 to 7 mph becoming west in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. West wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

Sunday Night

Partly cloudy, with a low around 50. West wind around 6 mph, with gusts as high as 15 mph.

Monday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 50.

Tuesday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

Tuesday Night

Mostly clear, with a low around 50.

Wednesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.