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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Fair

88°F

31°C

Humidity 18%
Wind Speed NE 16 G 21 mph
Barometer 30.11 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 5:45 pm MDT
Extended Forecast for

4 Miles WNW Leyden CO

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South southeast wind 5 to 7 mph becoming north northwest in the evening.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 89. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South southeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. South southeast wind 5 to 7 mph becoming north northwest in the evening.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 89. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 61. South southeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 62. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Leyden CO
 39.85°N 105.17°W (Elev. 5705 ft)
Last Update:
3:15 pm MDT Aug 17, 2025
Forecast Valid:
5pm MDT Aug 17, 2025-6pm MDT Aug 24, 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