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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Cheyenne, Cheyenne Airport (KCYS)

Lat: 41.16°NLon: 104.81°WElev: 6116ft.

Fair

47°F

8°C

Humidity 50%
Wind Speed W 6 mph
Barometer 30.11 in (1012.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Jun 1:53 am MDT
Extended Forecast for

Hereford CO

  • Overnight

    Overnight: Partly cloudy, with a low around 48. North wind 3 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 51. East northeast wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Breezy, with a north wind 16 to 21 mph becoming east northeast 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. East northeast wind 9 to 14 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. North wind 3 to 8 mph.
Thursday
Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Increasing clouds, with a low around 51. East northeast wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 83. Breezy, with a north wind 16 to 21 mph becoming east northeast 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Partly cloudy, with a low around 55. East northeast wind 9 to 14 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Breezy.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49. Breezy.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 52.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hereford CO
 40.98°N 104.3°W (Elev. 5299 ft)
Last Update:
12:46 am MDT Jun 18, 2026
Forecast Valid:
2am MDT Jun 18, 2026-6pm MDT Jun 24, 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