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

Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Municipal Airport (KSTK)

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

Fair

100°F

38°C

Humidity 20%
Wind Speed NE 3 mph
Barometer 29.91 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 26 Jul 6:55 pm MDT
Extended Forecast for

Prewitt Reservoir CO

Heat Advisory July 26, 07:13pm until July 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 26, 07:13pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • Tonight

    Low: 70 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 97. North wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 97 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 66. East southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 90. East wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 63. East southeast wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. Northeast wind 5 to 7 mph becoming light and variable.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 97. North wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 66. East southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 90. East wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 63. East southeast wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 95.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 94.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prewitt Reservoir CO
 40.43°N 103.35°W (Elev. 4078 ft)
Last Update:
4:04 pm MDT Jul 26, 2026
Forecast Valid:
7pm MDT Jul 26, 2026-6pm MDT Aug 2, 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