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Monday
Today
Extreme
Tuesday
Tomorrow
Extreme
Wednesday
Oct 1
High
Thursday
Oct 2
High
Friday
Oct 3
High
Malaria
Zika
Dengue
Yellow Fever
Chikungunya
West Nile Fever
Mosquitoes in Sierra Nevada can transmit diseases like Dengue fever and Zika virus, though cases are relatively rare within the park itself.
Use insect repellents, wear long sleeves and pants, and avoid outdoor activities during dawn and dusk when mosquitoes are most active.