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

Hazardous Weather Conditions

Current conditions at

Greeley, Greeley-Weld County Airport (KGXY)

Lat: 40.43°NLon: 104.63°WElev: 4698ft.

Light Rain

68°F

20°C

Humidity 81%
Wind Speed SW 7 mph
Barometer 30.12 in (1016.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 14 Aug 5:56 pm MDT
Extended Forecast for

Lower Latham Reservoir CO

Flash Flood Warning until August 14, 07:45pm
Click here for hazard details and duration
...
  •  
    Flash Flood Warning until August 14, 07:45pm

    NOW until 7:45pm Fri

    Flash Flood Warning

  • Tonight

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 84 °F

    Patchy Fog
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Light and variable wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 59. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 87.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Latham Reservoir CO
 40.34°N 104.64°W (Elev. 4665 ft)
Last Update:
12:46 pm MDT Aug 14, 2026
Forecast Valid:
6pm MDT Aug 14, 2026-6pm MDT Aug 21, 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