Areas of Severe Thunderstorms and Heat This Weekend
Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. Read More >
| NWS Forecast for: North Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 802 AM MDT Sat Jun 13 2026 |  |
| Today: Mostly cloudy with showers this morning, then partly cloudy this afternoon. Breezy with highs in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent. Tonight: Partly cloudy and breezy. Lows in the lower 40s. North winds 15 to 20 mph with gusts up to 35 mph, becoming northwest around 10 mph with gusts up to 20 mph after midnight. Sunday: Mostly sunny. Highs around 70. North winds around 10 mph. Sunday Night: Mostly clear. Lows in the mid 40s. North winds around 10 mph in the evening. Monday: Mostly sunny. Highs in the upper 70s. North winds 10 to 15 mph with gusts up to 35 mph in the afternoon. Monday Night: Partly cloudy. Lows around 50. Tuesday: Partly cloudy in the morning, then clearing. Highs in the mid 80s. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. Wednesday: Sunny, windy with highs around 80. Wednesday Night: Clear, windy 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: North Bighorn Basin | |
Visit your local NWS office at: https://www.weather.gov/riw |