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

Critical Fire Weather Conditions and Severe Thunderstorms Today

Scattered severe thunderstorms are possible across portions of the northern High Plains this afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin today and the southern High Plains on Thursday. Read More >

Current conditions at

GW2742 Byron (G2742)

Lat: 44.79917°NLon: 108.50567°WElev: 4022.31ft.

NA

90°F

32°C

Humidity 16%
Wind Speed SE 5 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 38°F (3°C)
Visibility NA
Heat Index86°F (30°C)
Last update 13 May 05:40 PM MDT
Extended Forecast for

Byron WY

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 93 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 45. Southwest wind 5 to 14 mph becoming north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Windy, with a west wind 5 to 15 mph increasing to 19 to 29 mph. Winds could gust as high as 41 mph.

    High: 77 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Breezy, with a west northwest wind 17 to 22 mph becoming light after midnight. Winds could gust as high as 37 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 75. Breezy, with a light and variable wind becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 75 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Breezy, with a north northwest wind 15 to 20 mph becoming light northwest after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Windy.

    Low: 38 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 50. Windy. Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers and
    Windy

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Tonight
Isolated showers and thunderstorms before 10pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 45. Southwest wind 5 to 14 mph becoming north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 77. Windy, with a west wind 5 to 15 mph increasing to 19 to 29 mph. Winds could gust as high as 41 mph.
Thursday Night
Mostly clear, with a low around 41. Breezy, with a west northwest wind 17 to 22 mph becoming light after midnight. Winds could gust as high as 37 mph.
Friday
Sunny, with a high near 75. Breezy, with a light and variable wind becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Partly cloudy, with a low around 38. Breezy, with a north northwest wind 15 to 20 mph becoming light northwest after midnight. Winds could gust as high as 29 mph.
Saturday
Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 38. Windy.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 50. Windy. Chance of precipitation is 50%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 33. Windy. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 50. Breezy.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Byron WY
 44.81°N 108.51°W (Elev. 4058 ft)
Last Update:
4:48 pm MDT May 13, 2026
Forecast Valid:
5pm MDT May 13, 2026-6pm MDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation