Weather for road I-15

Arizona I-15 weather conditions

• The current weather in Arizona, AZ, shows a temperature of 9.1°C (48°F) with a feels-like temperature of 8.1°C (47°F)
• The dew point is at 2.8°C (37°F) and the humidity level is 65%
• The atmospheric pressure is 1006 mb (29.7 inHg)
• Winds are coming from the southwest at 14 kph (9 mph)
• Visibility is reported at 16 km (9.9 miles) under partly cloudy conditions
• There are no significant weather alerts at this time.

California I-15 weather conditions

• Current weather conditions in California, CA indicate a temperature of 11.0°C (51.8°F) with a dewpoint of -1.4°C (29.5°F) and humidity at 42%
• The pressure is measured at 1011 mb (29.85 inHg)
• Winds are coming from the east-southeast at 4 km/h (2 mph)
• Visibility is good at approximately 16.0 km (9.9 miles), and the weather is clear
• There are no active weather alerts at this time.

Idaho I-15 weather conditions

• The current weather for Idaho, ID, as of 6:00 AM on May 18, 2026, shows a temperature of 0.5°C (32.9°F) with a dew point of -6.9°C (19.6°F)
• The relative humidity is at 58%, and the atmospheric pressure is 1018 mb (30.06 inHg)
• Winds are coming from the northwest at 8.6 kph (5.3 mph)
• Visibility is good at 16.1 km (10.0 miles) under mostly clear skies
• There are no weather alerts in effect at this time.

Montana I-15 weather conditions

• Montana, MT is currently experiencing light snow with a temperature of -1.1°C (30°F) and a dew point of -2.7°C (27°F)
• The relative humidity is high at 89%, and the atmospheric pressure is measured at 1020.4 mb (30.15 inHg)
• Winds are coming from the northwest at 12 kph (7 mph)
• Visibility is moderate at 7.7 km (4.8 miles)
• As of now, there are no active weather alerts in the area.

Nevada I-15 weather conditions

• In Nevada, the current weather is mostly clear with a temperature of -3.3°C (26°F) and a dew point of -9.7°C (15°F)
• The humidity is at 61%, and the pressure is 1019 mb (30.09 inHg)
• Winds are blowing from the northwest at 11 km/h (7 mph)
• Visibility is good at 16 km (10 miles)
• In New Hampshire, a significant weather threat is present as an area of heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
• There are no tornado warnings associated with this storm
• The maximum radar reflectivity indicates intense precipitation, with a DBZ value of 44.

Utah I-15 weather conditions

• In Utah, the current weather conditions show a temperature of 3.0°C (37°F) with a feels-like temperature of 1.2°C (34°F)
• The humidity is quite high at 90%, and the pressure is measured at 1012 mb (29.88 inHg)
• Winds are coming from the west-northwest at 12 km/h (7 mph), contributing to a cloudy sky covering 100% of the area
• Visibility is at 6.2 km (3.9 miles)
• In New Hampshire, there is an active weather threat as an area of heavy precipitation is approaching from the northwest, located approximately 62.2 km (38.7 miles) away
• There are no tornado warnings associated with this storm.