Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Thunderstorm

81°F

27°C

Humidity 32%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jul 5:55 pm MDT
Extended Forecast for

Jamestown CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Partly cloudy, with a low around 56. West wind 3 to 5 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly sunny, with a high near 83. Light and variable wind becoming west around 6 mph in the morning.  Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday 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 58. Calm wind becoming west around 6 mph after midnight.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 83. West wind around 6 mph becoming calm  in the morning.

    High: 83 °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 60. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 56. West wind 3 to 5 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 83. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 60%.
Saturday 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 58. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. West wind around 6 mph becoming calm in the morning.
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 60. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown CO
 40.12°N 105.4°W (Elev. 7664 ft)
2:02 pm MDT Jul 18, 2025
6pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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Additional Resources

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