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Riverton, WY Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Saturday
Mostly sunny, with a high near 51.
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Saturday Night
Mostly clear, with a low around 31.
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Sunday
Sunny, with a high near 55.
National Weather Service forecast updated 3 days ago.
Hourly
Hourly forecast- Now36°
- 9 AM38°
- 10 AM40°
- 11 AM43°
- 12 PM46°
- 1 PM48°
- 2 PM50°
- 3 PM50°
- 4 PM50°
- 5 PM50°
- 6 PM49°
- 7 PM46°
- 8 PM43°
- 9 PM41°
- 10 PM40°
- 11 PM39°
- Sun12 AM38°
- 1 AM37°
- 2 AM35°
- 3 AM34°
- 4 AM33°
- 5 AM32°
- 6 AM32°
- 7 AM32°
10-day forecast
Details- TonightOct 20Partly Cloudy38°
- WedOct 21Sunny43°70°
- ThuOct 22Partly Sunny then Slight Chance Rain Showers21%51°71°
- FriOct 23Sunny27%36°66°
- TodayOct 24Mostly Sunny31°51°
- SunOct 25Sunny31°55°
- MonOct 26Mostly Sunny29°55°
- TueOct 27Sunny59°
- WedOct 28Sunny29°58°
- ThuOct 29Partly cloudy29°57°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Riverton
More weather news-
Don Day's Wyoming Weather Forecast: Sunday, October 18, 2026Sunny in Wyoming on Sunday and partly cloudy to mostly clear overnight. Highs from the upper 50s to low 70s. Lows from the mid 20s to low 40s. Riverton: Sunny today with a high near 61 and mostly clear overnight with a…
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Warm weekend expected in Natrona County ahead of mild cold frontCASPER, Wyo. — High temperatures and gusty winds will characterize the start of the weekend across Natrona County before a weak frontal boundary moderates conditions slightly by Sunday. According to the National Weather…
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Conditions to warm after frosty Friday morning in Casper areaOil City News Over 3 million readers this year! CASPER, Wyo. –– Overnight freezing temperatures will make way for more mild conditions in central Wyoming. According to the National Weather Service in Riverton, a freeze…
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Dangerous Freeze Watch Warning Issued for Massive Area of Nebraska, Wyoming and ColoradoA Freeze Watch is in effect from late Thursday night through Friday morning for the Denver metro area, Colorado’s eastern plains, southeast and central Wyoming, and the Nebraska Panhandle, with lows in the 20s possible…
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Rainy Wednesday in Casper area, overnight mountain snow possibleOil City News Over 3 million readers this year! CASPER, Wyo. –– Rain, snow, and possible freezing overnight temperatures are ahead this week as a cold front moves through central Wyoming. According to the National…
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Finally Wyoming Gets A Taste Of Autumn With More Cool Weather AheadThanks to an influx of moisture from Hurricane Rachel and cold Canadian air, it's starting to feel like autumn in Wyoming. In fact, temperatures and precipitation haven't been this close to normal since last October…
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Don Day's Wyoming Weather Forecast: Friday, October 23, 2026Sunny in some areas of Wyoming on Friday and rain possible in others. Windy. Breezy overnight with a chance of rain and snow in some areas. Highs from the upper 40s to near 80. Lows from the mid 20s to near 40. Casper…
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#Drought news October 22, 2026: Improvements occurred across portions of #Kansas, #Nebraska, #Colorado, #Wyoming, #Utah, #Arizona and #NewMexicoDrought news October 22, 2026: Improvements occurred across portions of #Kansas, #Nebraska, #Colorado, #Wyoming, #Utah, #Arizona and #NewMexico coyotegulch.blog Click on a thumbnail graphic to view a gallery of drought…
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Don Day's Wyoming Weather Forecast: Thursday, October 22, 2026Chance of rain, cloudy in parts of Wyoming on Thursday. Partly to mostly cloudy overnight with a chance of rain in some areas. Highs in the 60s and 70s. Lows from the mid 30s to mid 50s. Casper: Partly sunny and breezy…
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Don Day's Wyoming Weather Forecast: Wednesday, October 21, 2026Mostly sunny to sunny in Wyoming on Wednesday. Mix of clear and cloudy skies overnight. Highs in the 60s and 70s. Lows mainly in the 30s and 40s. Casper: Gradually becoming sunny today with a high near 73 and wind gusts…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Riverton, WY reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyRiverton, records since 1907. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Lander 36 km
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.