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

88°F

31°C

Humidity 13%
Wind Speed NE 10 G 17 mph
Barometer 29.82 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Jun 11:46 am MDT
Extended Forecast for

2 Miles WSW Thornton CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 95. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 95 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 56. Breezy, with a northwest wind 12 to 17 mph becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 56 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Southeast wind 5 to 9 mph becoming east northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. East northeast wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 90. Northwest wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny

  • Friday Night

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

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, 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 87.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 56. Breezy, with a northwest wind 12 to 17 mph becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 85. Southeast wind 5 to 9 mph becoming east northeast in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 59. East northeast wind 5 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Juneteenth
Sunny, with a high near 90. Northwest wind 5 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 60. Breezy.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. Breezy.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Thornton CO
 39.88°N 104.98°W (Elev. 5299 ft)
12:46 am MDT Jun 17, 2026
12pm MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database