Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Fair

61°F

16°C

Humidity 31%
Wind Speed NE 3 mph
Barometer 30.13 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Jun 2:55 am MDT
Extended Forecast for

3 Miles NNE Harris Park CO

Fire Weather Watch June 20, 12:00pm until June 20, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Overnight

    Overnight: Clear, with a low around 42. South southwest wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Breezy, with a southwest wind 6 to 16 mph becoming north in the morning. Winds could gust as high as 25 mph.

    High: 69 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Breezy, with a north northwest wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 67. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71. Windy.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Windy.

    Low: 48 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 65.

    High: 65 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 42. South southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 69. Breezy, with a southwest wind 6 to 16 mph becoming north in the morning. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 50. Breezy, with a north northwest wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 67. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Partly cloudy, with a low around 49. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Windy.
Saturday Night
Mostly clear, with a low around 48. Windy.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Monday
Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 61.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Harris Park CO
 39.57°N 105.49°W (Elev. 10597 ft)
12:46 am MDT Jun 18, 2026
3am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database