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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Grand Junction Regional Airport (KGJT)

Lat: 39.13389°NLon: 108.53861°WElev: 4859.0ft.

Partly Cloudy

88°F

31°C

Humidity 16%
Wind Speed W 12 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 06 Sep 03:35 PM MDT
Extended Forecast for

Grand Junction CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Northwest wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers after 3am. Mostly cloudy, with a low around 66. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Labor Day

    Labor Day: Mostly cloudy through mid morning, then becoming sunny, with a high near 86. East southeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. West northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Northwest wind 5 to 10 mph.
Tonight
Scattered showers after 3am. Mostly cloudy, with a low around 66. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Labor Day
Mostly cloudy through mid morning, then becoming sunny, with a high near 86. East southeast wind 5 to 10 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 63. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 65.
Saturday
A chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Junction CO
 39.07°N 108.56°W (Elev. 4587 ft)
Last Update:
3:37 pm MDT Sep 6, 2026
Forecast Valid:
3pm MDT Sep 6, 2026-6pm MDT Sep 12, 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