Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

7-Day Zone Forecast for North Bighorn Basin (Text-Only)
NWS Forecast for: North Bighorn Basin
Issued by: National Weather Service Riverton, WY
Last Update: 1218 PM MDT Tue Jun 9 2026


This Afternoon: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Tonight: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.

Wednesday: Mostly sunny in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 70. Southwest winds 10 to 15 mph with gusts up to 30 mph, increasing to northwest 20 to 25 mph with gusts up to 40 mph in the afternoon. Chance of rain 30 percent.

Wednesday Night: Partly cloudy. A chance of showers after midnight. Breezy with lows in the lower 40s. Northwest winds 20 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 30 percent.

Thursday: Partly cloudy in the morning, then clearing. Highs around 70. North winds around 10 mph with gusts up to 20 mph.

Thursday Night: Clear. Lows in the mid 40s.

Friday: Sunny. Highs around 80.

Friday Night: Mostly clear. A slight chance of. Breezy with lows around 50.

Saturday: Mostly sunny in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Windy with highs around 70. Chance of rain 30 percent.

Saturday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Windy with lows in the lower 40s. Chance of rain 30 percent.

Sunday: Partly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Breezy with highs in the mid 60s. Chance of rain 30 percent.

Sunday Night: Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Breezy with lows in the lower 40s. Chance of rain 20 percent.

Monday: Partly cloudy in the morning, then clearing. Highs around 70.







Zone Forecast: North Bighorn Basin

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