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

Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Partly Cloudy

93°F

34°C

Humidity 20%
Wind Speed E 9 mph
Barometer 30.15 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Jul 11:45 am MDT
Extended Forecast for

Blue Valley CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. East wind around 10 mph, with gusts as high as 21 mph.

    High: 76 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 71. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 71 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. South southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 72. West southwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    High: 72 °F

    Chance
    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms after 9am. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. East wind around 10 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 71. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. South southeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 17 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 72. West southwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers and thunderstorms after 9am. High near 69. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53.
Friday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 70.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 73.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Valley CO
 39.7°N 105.5°W (Elev. 10197 ft)
Last Update:
3:11 am MDT Jul 20, 2026
Forecast Valid:
12pm MDT Jul 20, 2026-6pm MDT Jul 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation