National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Partly Cloudy

84°F

29°C

Humidity 25%
Wind Speed W 7 mph
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Aug 5:55 pm MDT
Extended Forecast for

Arvada CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 6 mph, with gusts as high as 16 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 63. Northwest wind 5 to 7 mph becoming west southwest in the evening. Winds could gust as high as 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. South wind around 6 mph becoming light and variable after midnight.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 6 mph, with gusts as high as 16 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 63. Northwest wind 5 to 7 mph becoming west southwest in the evening. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 91. Light and variable wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 64. South wind around 6 mph becoming light and variable after midnight.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 64.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arvada CO
 39.83°N 105.11°W (Elev. 5551 ft)
Last Update:
2:05 pm MDT Aug 16, 2025
Forecast Valid:
5pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation