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

Sterling Municipal Airport (KSTK)

Lat: 40.61°NLon: 103.26°WElev: 4026ft.

Fair

72°F

22°C

Humidity 53%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Aug 12:35 am MDT
Extended Forecast for

4 Miles NNE Union CO

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 61. East northeast wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. North wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 59. East wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Southwest wind around 6 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 61. East northeast wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. North wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 59. East wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Friday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 57. Chance of precipitation is 80%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 56.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Union CO
 40.4°N 103.46°W (Elev. 4091 ft)
Last Update:
12:46 am MDT Aug 12, 2026
Forecast Valid:
12am MDT Aug 12, 2026-6pm MDT Aug 18, 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