700
FNUS76 KPQR 212145
FWSPQR

Spot Forecast for Middle Butte Fire...WACCC
National Weather Service Portland OR
245 PM PDT Fri Aug 21 2026

Forecast is based on forecast start time of 1500 PDT on August 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...10-20% chance of showers and thunderstorms persist
today through early Saturday. South/southwest winds will become
more northwest through tonight, then more west into Saturday.
Expect higher gusts within and near west to east terrain features
Saturday through Sunday. Excellent overnight RH recoveries expected
through the weekend.

**Ridgetop around 3400 ft**

.REST OF TODAY...

Sky/weather.........Cloudy. Patchy smoke. Chance of showers and
                    thunderstorms.
CWR.................3 percent.
Chance of lightning.29 percent.
Max temperature.....Around 81.
Min humidity........43 percent.
Wind (20 ft)........
 Slope/valley.......Light winds. Gusty and erratic winds expected
                    near thunderstorms.
 Ridgetop...........Southwest winds 5 to 7 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......1700 ft AGL.
Transport winds.....Southwest around 7 mph.

.TONIGHT...

Sky/weather.........Cloudy. Patchy smoke in the evening. Chance of
                    showers and thunderstorms through the night.
CWR.................3 percent.
Chance of lightning.34 percent.
Min temperature.....Around 57.
Max humidity........84 percent.
Wind (20 ft)........
 Slope/valley.......Light winds. Gusty and erratic winds expected
                    near thunderstorms.
 Ridgetop...........Northwest winds 7 to 9 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......400 ft AGL.
Transport winds.....Northwest around 7 mph.

.SATURDAY...

Sky/weather.........Partly cloudy then becoming mostly sunny.
                    Slight chance of showers and thunderstorms in
                    the morning.
CWR.................3 percent.
Chance of lightning.24 percent.
Max temperature.....Around 70.
Min humidity........56 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 6 mph. Gusty and erratic winds
                    expected near thunderstorms in the morning.
 Ridgetop...........West winds 9 to 12 mph. Gusts up to 20 mph late
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the morning.
Mixing height.......3400 ft AGL.
Transport winds.....West around 10 mph.

$$
Forecaster...Hall
Requested by...WACCC
Type of request...WILDFIRE
.TAG 2620198.0/PQR
.DELDT 08/21/26
.FormatterVersion 2.0.0
.EMAIL justin.ashton-sharpe@usda.gov,dustin.fisher@usda.gov,waccc@firenet.gov