Editor's note: Suffice it to say, if you're traveling to Yellowstone and Grand Teton national parks in August and September, be extra careful with fire.

Three small fires sparked in 24 hours prompted Yellowstone National Park fire managers to raise the fire danger to “extreme” Wednesday. Meanwhile, Teton Interagency Fire is bumping its level up to “very high.”

New partial restrictions accompanied the extreme rating in Yellowstone; it’s the first time this year for an extreme rating in northwest Wyoming. There are five fire danger levels: low, moderate, high, very high and extreme.

In Yellowstone, there are now lightning-sparked blazes all around the park.

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