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

Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

65°F

18°C

Humidity 34%
Wind Speed E 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 08 Oct 11:53 AM MDT
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Calm wind becoming east around 6 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northeast wind 5 to 7 mph becoming west after midnight.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Breezy, with a light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 13 to 21 mph becoming northeast after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. Breezy, with a north wind 13 to 20 mph. Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers before midnight, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 36. Breezy. Chance of precipitation is 90%.

    Low: 36 °F

    Showers then
    Rain/Snow and
    Breezy

  • Columbus Day

    Columbus Day: A chance of rain and snow showers before noon. Partly sunny, with a high near 56. Chance of precipitation is 40%.

    High: 56 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Calm wind becoming east around 6 mph.
Tonight
Mostly clear, with a low around 45. Northeast wind 5 to 7 mph becoming west after midnight.
Friday
Sunny, with a high near 82. Breezy, with a light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 52. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 77. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 36 mph.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 13 to 21 mph becoming northeast after midnight. Winds could gust as high as 30 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. Breezy, with a north wind 13 to 20 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before midnight, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 36. Breezy. Chance of precipitation is 90%.
Columbus Day
A chance of rain and snow showers before noon. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 38.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.44°W (Elev. 5203 ft)
Last Update:
11:46 am MDT Oct 8, 2026
Forecast Valid:
12pm MDT Oct 8, 2026-6pm MDT Oct 14, 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