National Weather Service Forecast for: 12 Miles NNW Poston AZ
Issued by: National Weather Service Las Vegas, NV
Updated: 11:33 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 86. Southeast wind around 6 mph.
Mostly Cloudy
Thursday

Thursday: Partly sunny, then gradually becoming sunny and hot, with a high near 111. South wind 5 to 8 mph.
Hot
Thursday
Night
Thursday Night: Partly cloudy, with a low around 86. South wind around 6 mph becoming calm  in the evening.
Partly Cloudy
Friday

Friday: Sunny and hot, with a high near 111. Calm wind becoming south 5 to 8 mph in the afternoon.
Hot
Friday
Night
Friday Night: Mostly clear, with a low around 86. South southwest wind around 6 mph becoming calm  after midnight.
Mostly Clear
Saturday

Saturday: Sunny and hot, with a high near 112.
Hot
Saturday
Night
Saturday Night: Partly cloudy, with a low around 86.
Partly Cloudy
Sunday

Sunday: Sunny and hot, with a high near 111.
Hot
Sunday
Night
Sunday Night: Partly cloudy, with a low around 85.
Partly Cloudy
Lo 86 °F Hi 111 °F Lo 86 °F Hi 111 °F Lo 86 °F Hi 112 °F Lo 86 °F Hi 111 °F Lo 85 °F

Extreme Heat Warning
 

Overnight
 
Mostly cloudy, with a low around 86. Southeast wind around 6 mph.
Thursday
 
Partly sunny, then gradually becoming sunny and hot, with a high near 111. South wind 5 to 8 mph.
Thursday Night
 
Partly cloudy, with a low around 86. South wind around 6 mph becoming calm in the evening.
Friday
 
Sunny and hot, with a high near 111. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
 
Mostly clear, with a low around 86. South southwest wind around 6 mph becoming calm after midnight.
Saturday
 
Sunny and hot, with a high near 112.
Saturday Night
 
Partly cloudy, with a low around 86.
Sunday
 
Sunny and hot, with a high near 111.
Sunday Night
 
Partly cloudy, with a low around 85.
Monday
 
Sunny and hot, with a high near 109.
Monday Night
 
Mostly clear, with a low around 85.
Tuesday
 
Sunny and hot, with a high near 111.
Tuesday Night
 
Mostly clear, with a low around 86.
Wednesday
 
Sunny and hot, with a high near 112.

 

Forecast from NOAA-NWS for 12 Miles NNW Poston AZ.