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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Partly Cloudy

39°F

4°C

Humidity 88%
Wind Speed NW 11 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 May 04:53 AM MDT
Extended Forecast for

12 Miles W Buffalo WY

  • Overnight

    Overnight: A 20 percent chance of snow showers. Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers likely before 9am, then snow showers, possibly mixed with rain between 9am and noon, then snow showers after noon. Some thunder is also possible. High near 37. Breezy, with a light and variable wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Rain/Snow
    then Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of rain and snow showers after noon. Some thunder is also possible. Sunny through mid morning, then becoming cloudy, with a high near 48. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 20%.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon. Snow level rising to 9600 feet in the afternoon. Sunny, with a high near 57. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 57 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Light west northwest wind becoming west 6 to 11 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 31. Calm wind.
Thursday
Snow showers likely before 9am, then snow showers, possibly mixed with rain between 9am and noon, then snow showers after noon. Some thunder is also possible. High near 37. Breezy, with a light and variable wind becoming north 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of rain and snow showers after noon. Some thunder is also possible. Sunny through mid morning, then becoming cloudy, with a high near 48. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Snow level rising to 9600 feet in the afternoon. Sunny, with a high near 57. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 40. Light west northwest wind becoming west 6 to 11 mph after midnight.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 45.
Memorial Day
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49. Breezy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Breezy.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Buffalo WY
 44.31°N 106.96°W (Elev. 7635 ft)
Last Update:
3:01 am MDT May 21, 2026
Forecast Valid:
5am MDT May 21, 2026-6pm MDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation