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

Thunderstorms and Heavy Rainfall in the Mid-Atlantic and Southern New England; Fire Weather Concerns in the West

Heavy rain and isolated severe thunderstorms may continue to bring flash and urban flooding to the northern Mid-Atlantic and southern New England through tonight. Isolated dry thunderstorms will continue to bring a fire weather threat to the northwestern Great Basin through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

59°F

15°C

Humidity 67%
Wind Speed SE 3 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Aug 01:55 AM MDT
Extended Forecast for

Riverton Regional Airport WY

  • Overnight

    Overnight: Mostly clear, with a low around 58. North northwest wind 5 to 7 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny, with a high near 85. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 10%.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 56. Northeast wind 5 to 7 mph becoming calm.

    Low: 56 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 55. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 5 to 8 mph becoming northeast in the morning.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North northeast wind 6 to 9 mph becoming west after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. North northwest wind 5 to 7 mph.
Friday
A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny, with a high near 85. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 56. Northeast wind 5 to 7 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 55. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 86. West wind 5 to 8 mph becoming northeast in the morning.
Sunday Night
Mostly clear, with a low around 56. North northeast wind 6 to 9 mph becoming west after midnight.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton Regional Airport WY
 43.06°N 108.45°W (Elev. 5420 ft)
Last Update:
1:43 am MDT Aug 1, 2025
Forecast Valid:
2am MDT Aug 1, 2025-6pm MDT Aug 7, 2025
 
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