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

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 >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

90°F

32°C

Humidity 17%
Wind Speed NE 9 mph
Barometer 29.73 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 6:55 pm MDT
Extended Forecast for

3 Miles SE Tolland CO

Red Flag Warning until June 17, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until June 17, 08:00pm

    NOW until 8:00pm Wed

    Red Flag Warning

  • Tonight

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 69. West southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West wind 5 to 11 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 69. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy.

    High: 70 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Breezy, with a west northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 69. West southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 45. West wind 5 to 11 mph, with gusts as high as 26 mph.
Juneteenth
Mostly sunny, with a high near 69. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 47. Southeast wind 5 to 8 mph becoming light and variable. 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 70. Breezy.
Saturday Night
Mostly clear, with a low around 45. Breezy.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 65. Breezy.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Monday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 64.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Tolland CO
 39.87°N 105.58°W (Elev. 10289 ft)
Last Update:
12:46 pm MDT Jun 17, 2026
Forecast Valid:
7pm MDT Jun 17, 2026-6pm MDT Jun 24, 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