Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Clear

48°F

9°C

Humidity 61%
Wind Speed NE 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 Jun 06:00 AM MDT
Extended Forecast for

Arminto WY

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. East wind 7 to 13 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Partly cloudy, with a low around 51. Breezy, with an east northeast wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.

    Low: 51 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48. West northwest wind 6 to 14 mph becoming north in the evening. Winds could gust as high as 23 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 73. Northwest wind 9 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 45. East northeast wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. Breezy, with an east northeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 77. East wind 7 to 13 mph.
Tonight
A 20 percent chance of showers after 5am. Partly cloudy, with a low around 51. Breezy, with an east northeast wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. West northwest wind 6 to 14 mph becoming north in the evening. Winds could gust as high as 23 mph.
Sunday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73. Northwest wind 9 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 45. East northeast wind 6 to 14 mph, with gusts as high as 21 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Breezy, with an east northeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 43. Breezy.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47. Breezy.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Arminto WY
 43.18°N 107.27°W (Elev. 6043 ft)
6:01 am MDT Jun 19, 2026
6am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
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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