Severe Storms and Flooding Threat in the Central Plains; Heat Continues in the South and West
Severe thunderstorms may produce damaging winds, large hail, and numerous instances of flash/urban flooding over parts of the central Plains and lower Missouri Valley. Hazardous heat will continue in the South, Desert Southwest and the California Central Valley this weekend. Isolated dry thunderstorms may increase the risk of fire starts and spread across the Four Corners region and vicinity. Read More >
| NWS Forecast for: Southeast Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 931 PM MDT Fri Jun 12 2026 | |
| Tonight: Partly cloudy and breezy. Lows in the upper 40s. Northwest winds 15 to 20 mph, becoming west after midnight. Gusts up to 35 mph. Saturday: Cloudy with showers in the morning, then partly cloudy in the afternoon. Breezy with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 80 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the mid 40s. North winds 15 to 20 mph with gusts up to 30 mph, becoming west around 10 mph with gusts up to 20 mph after midnight. Sunday: Partly cloudy in the morning, then clearing. Highs around 70. North winds around 10 mph in the afternoon. Sunday Night: Mostly clear. Lows in the mid 40s. Northeast winds around 10 mph in the evening. Monday: Mostly sunny. Highs in the mid 70s. Monday Night: Partly cloudy. Lows around 50. Tuesday: Partly cloudy. Highs in the mid 80s. Tuesday Night: Mostly clear. Lows in the mid 50s. Wednesday: Sunny, breezy with highs in the upper 70s. Wednesday Night: Clear, breezy with lows in the upper 40s. Thursday: Sunny. Highs around 80. Thursday Night: Mostly clear. Lows around 50. Juneteenth: Mostly sunny. Highs in the mid 80s. | |
| Zone Forecast: Southeast Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |