Idaho is in for a week of dramatic weather swings, with temperatures bouncing between spring warmth and winter cold, bringing a mix of rain, wind, and even snow in parts of the state. If you’re enjoying the mild conditions now, don’t get too comfortable—a major shift is coming.
Mild Temperatures Won’t Last Long
As of Wednesday, Boise is sitting at a comfortable 60°F (16°C) under mostly cloudy skies, making it feel like winter is finally loosening its grip. Idaho Falls is slightly cooler at 53°F (12°C), with sunshine and a light breeze, while Coeur d’Alene is experiencing rain showers with temperatures near 47°F (8°C). For those hoping for a full-on spring warmup, hold that thought—because the weather is about to change dramatically.
Cold Front Brings Rain, Wind, and Snow
By Thursday, March 13, a powerful cold front will move in, sending temperatures plummeting and bringing a mix of rain, gusty winds, and even snow to parts of Idaho.
- Boise will see a drop to 50°F (10°C), with cloudy skies and scattered showers throughout the day.
- Idaho Falls will experience strong winds and a mix of rain and snow, with highs only reaching 47°F (9°C) before dipping below freezing overnight.
- Coeur d’Alene is expected to see morning wet snow before conditions settle into cloudy skies, with temperatures dropping to 45°F (7°C).
Friday Brings Even Colder Weather
The real winter punch comes on Friday, March 14, when temperatures continue their downward spiral:
- Boise drops to 44°F (7°C), with breezy conditions and lingering clouds.
- Idaho Falls will be even colder, reaching just 39°F (4°C), with overnight lows hovering around freezing.
- Coeur d’Alene remains chilly at 46°F (8°C), with occasional snow flurries still possible.
If you’re traveling, expect slick roads in higher elevations, as some areas could see accumulating snow overnight.
What to Expect This Weekend
By Saturday and Sunday, the cold air starts to retreat, but temperatures will struggle to rebound. Highs will creep back into the upper 40s and low 50s, but conditions will remain partly cloudy with a chance of occasional showers.
If you’re ready for real spring weather, you may need to wait a little longer—March in Idaho is notorious for unpredictable weather swings, and this week is a perfect example.
How to Prepare for the Rapid Weather Changes
- Dress in layers – You might need a light jacket in the morning and a winter coat by night.
- Watch for icy roads – If traveling through higher elevations, expect snow-covered roads and reduced visibility at times.
- Secure loose items – Winds could gust over 30 mph, so tie down anything that could blow away.
- Check forecasts frequently – Weather conditions will change quickly, so stay updated on the latest reports.
As the week progresses, Idahoans can expect a mix of weather patterns, including chilly temperatures, potential snow showers, and intermittent sunshine. Staying adaptable and prepared for sudden changes will be key during this period.
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