Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

GW2742 Byron (G2742)

Lat: 44.79917°NLon: 108.50567°WElev: 4032.0ft.

NA

68°F

20°C

Humidity 55%
Wind Speed WNW 7 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Jun 12:40 PM MDT
Extended Forecast for

6 Miles SW Byron WY

  • This Afternoon

    This Afternoon: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 91. North wind 7 to 11 mph becoming south.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm.  Partly cloudy, with a low around 52. Breezy, with a west southwest wind 8 to 13 mph becoming north northwest 16 to 21 mph. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    Low: 52 °F

    Breezy.
    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 5pm.  Mostly sunny, with a high near 82. Breezy, with a west wind 8 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 82 °F

    Sunny then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 47. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%.

    Low: 47 °F

    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 64. Breezy, with a north northwest wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 40. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. North wind 7 to 11 mph becoming south. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 52. Breezy, with a west southwest wind 8 to 13 mph becoming north northwest 16 to 21 mph. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 82. Breezy, with a west wind 8 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 47. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64. Breezy, with a north northwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 74. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Byron WY
 44.74°N 108.59°W (Elev. 4137 ft)
12:16 pm MDT Jun 20, 2025
12pm MDT Jun 20, 2025-6pm MDT Jun 26, 2025
 
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Additional Resources

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