Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Grand Junction Regional Airport (KGJT)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed W 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Aug 09:35 AM MDT
Extended Forecast for

Grand Junction CO

Flood Watch August 31, 09:57am until September 1, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 31, 09:57am until September 1, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 59. East northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. East southeast wind around 5 mph becoming calm.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Light and variable wind becoming southeast 5 to 10 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 80. East southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 59. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. East southeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 60. Light and variable wind becoming southeast 5 to 10 mph after midnight.
Wednesday
Sunny, with a high near 85. Southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 62.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 89.
Friday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grand Junction CO
 39.09°N 108.56°W (Elev. 4633 ft)
2:19 am MDT Aug 31, 2026
9am MDT Aug 31, 2026-6pm MDT Sep 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database