National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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Boulder CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 61 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 78 °F

Tuesday
Night

Heavy Rain Chance for Measurable Precipitation 70%

Heavy
Rain

Low: 58 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

High: 72 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 54 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 78 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 10%

Slight Chc
Thunderstorms

Low: 59 °F

Friday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 77 °F

Friday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 59 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 61. West northwest wind around 6 mph.
  • Tuesday Isolated showers and thunderstorms between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 78. West northwest wind 6 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.
  • Tuesday Night Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 58. North wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
  • Wednesday A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 72. North wind 5 to 8 mph becoming west in the afternoon.
  • Wednesday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 54. West wind 5 to 7 mph becoming calm in the evening.
  • Thursday A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
  • Thursday Night A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.
  • Friday A slight chance of showers and thunderstorms. Partly sunny, with a high near 77.
  • Friday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
  • Saturday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
  • Sunday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
  • Monday A slight chance of showers and thunderstorms. Partly sunny, with a high near 80.