Severe Thunderstorms and Heavy Rainfall in the Northern Plains and Midwest; Fire Weather Threat in the West

Severe thunderstorms will continue to be possible over parts of the northern Plains and upper Midwest through Saturday which could bring large hail, damaging winds, and possible tornadoes. Heavy to excessive rainfall may produce flooding over a part of the Midwest today. Elevated to critical fire weather are expected today into this weekend over parts of the central Rockies and Great Basin. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424° N Lon: 117.00808° W Elev: 2185.0 ft.

Clear

77°F

25°C

Humidity 23%
Wind Speed WSW 9 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 04 Jun 01:35 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Rest Of Today
Sunny. Highs 79 to 84. Northwest winds up to 10 mph.
Tonight
Mostly clear. Lows 51 to 56. North winds up to 10 mph.
Friday
Sunny. Highs 86 to 91. Northwest winds up to 10 mph in the morning, shifting to southwest with gusts to 25 mph in the afternoon.
Friday Night
Partly cloudy. Lows 51 to 56. Windy. Northwest winds 15 to 25 mph with gusts to 35 mph.
Saturday
Mostly sunny. Not as warm with highs 73 to 78. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the morning.
Saturday Night And Sunday
Mostly clear. Lows 43 to 48. Highs 69 to 74. Windy.
Sunday Night
Increasing clouds. Lows 46 to 51.
Monday
Partly sunny. Highs 72 to 77.
Monday Night
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Chance of rain 30 percent. Lows 47 to 52.
Tuesday
Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 40 percent. Highs 72 to 77.
Tuesday Night
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Chance of rain 30 percent. Lows 46 to 51.
Wednesday
Partly cloudy with a 20 percent chance of showers. Highs 68 to 73.



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1236 PM MDT Thu Jun 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database