Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm Impacting the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm is bringing gusty winds, severe thunderstorms, and mountain snow to portions of California and the Southwest U.S. through Thursday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Oct 08:35 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Breezy, with a light and variable wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 21 mph.

    Low: 44 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of showers after 5pm.  Partly sunny, with a high near 70. Breezy, with a west southwest wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 51. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.

    Low: 51 °F

    Decreasing
    Clouds and
    Breezy

  • Friday

    Friday: Sunny, with a high near 65. Windy, with a south wind 18 to 26 mph, with gusts as high as 37 mph.

    High: 65 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after midnight.  Partly cloudy, with a low around 37. Breezy, with a southwest wind 17 to 21 mph becoming north northeast after midnight. Winds could gust as high as 30 mph.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Breezy, with a north northeast wind 12 to 17 mph becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 50 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming south southwest around 5 mph.
Tonight
Partly cloudy, with a low around 44. Breezy, with a light and variable wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 21 mph.
Thursday
A 20 percent chance of showers after 5pm. Partly sunny, with a high near 70. Breezy, with a west southwest wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 51. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 65. Windy, with a south wind 18 to 26 mph, with gusts as high as 37 mph.
Friday Night
A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 37. Breezy, with a southwest wind 17 to 21 mph becoming north northeast after midnight. Winds could gust as high as 30 mph.
Saturday
Mostly sunny, with a high near 50. Breezy, with a north northeast wind 12 to 17 mph becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
7:18 am MDT Oct 21, 2026
8am MDT Oct 21, 2026-6pm MDT Oct 27, 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