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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Fair

86°F

30°C

Humidity 15%
Wind Speed NE 18 G 25 mph
Barometer 29.80 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jun 12:45 pm MDT
Extended Forecast for

Arvada CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 93. Breezy, with a northwest wind around 17 mph, with gusts as high as 28 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 56. Breezy, with a northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 56 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 88. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Breezy.

    Low: 60 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Breezy, with a northwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 56. Breezy, with a northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Thursday
Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 59. Northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Juneteenth
Mostly sunny, with a high near 88. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 60. Breezy.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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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:
12:46 pm MDT Jun 17, 2026
Forecast Valid:
1pm MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation