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

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

79°F

26°C

Humidity 32%
Wind Speed W 5 mph
Barometer 30.24 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 9:35 pm MDT
Extended Forecast for

Jamestown CO

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 79. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 60. South southwest wind 5 to 8 mph becoming west after midnight.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. West wind 5 to 9 mph becoming light west northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: 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 62. Light west wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. West wind around 6 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 79. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 60. South southwest wind 5 to 8 mph becoming west after midnight.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. West wind 5 to 9 mph becoming light west northwest in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
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 62. Light west wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown CO
 40.12°N 105.4°W (Elev. 7664 ft)
Last Update:
1:46 pm MDT Aug 21, 2026
Forecast Valid:
10pm MDT Aug 21, 2026-6pm MDT Aug 28, 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