Weather Tomorrow in Spokane Valley, WA
Fire Weather WatchUntil Aug 21, 10:00 AM
Fire Weather Watch issued August 20 at 3:17PM PDT until August 22 at 10:00PM PDT by NWS Spokane WA
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Heat AdvisoryUntil Aug 21, 10:00 AM
Heat Advisory issued August 20 at 10:28AM PDT until August 21 at 10:00PM PDT by NWS Spokane WA
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Friday, August 21, 2026
Precip chance
20%
Wind
0-3 mph
Humidity
34%
Feels like
96–63°F
Rain forecast
Low chance of precipitation. Highest risk around 6 AM (20%).
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 7 AM☽ | 70°F | Partly Cloudy | 0% | 0 mph | ||
| 8 AM☽ | 68°F | Partly Cloudy | 0% | 0 mph | ||
| 9 AM☽ | 66°F | Partly Cloudy | 0% | 0 mph | ||
| 10 AM☽ | 63°F | Partly Cloudy | 0% | 0 mph | ||
| 11 AM☽ | 62°F | Partly Cloudy | 0% | 1 mph E | ||
| 12 PM☽ | 62°F | Partly Cloudy | 0% | 1 mph E | ||
| 1 PM | 61°F | Mostly Sunny | 0% | 1 mph E | ||
| 2 PM | 62°F | Mostly Sunny | 0% | 1 mph E | ||
| 3 PM | 66°F | Mostly Sunny | 0% | 1 mph E | ||
| 4 PM | 71°F | Mostly Sunny | 0% | 2 mph E | ||
| 5 PM | 79°F | Mostly Sunny | 0% | 2 mph NE | ||
| 6 PM | 84°F | Mostly Sunny | 0% | 3 mph NE | ||
| 7 PM | 89°F | Mostly Sunny | 0% | 3 mph NE | ||
| 8 PM | 92°F | Mostly Sunny | 0% | 3 mph NE | ||
| 9 PM | 96°F | Mostly Sunny | 0% | 3 mph NE | ||
| 10 PM | 96°F | Mostly Sunny | 0% | 3 mph NE | ||
| 11 PM | 97°F | Mostly Sunny | 0% | 3 mph NE | ||
| 12 AM | 98°F | Mostly Cloudy | 1% | 3 mph NE | ||
| 1 AM☽ | 96°F | Mostly Cloudy | 1% | 3 mph NE | ||
| 2 AM☽ | 95°F | Mostly Cloudy | 1% | 3 mph NE | ||
| 3 AM☽ | 91°F | Cloudy | 1% | 2 mph NE | ||
| 4 AM☽ | 83°F | Cloudy | 1% | 2 mph NE | ||
| 5 AM☽ | 79°F | Cloudy | 1% | 2 mph NE | ||
| 6 AM☽ | 77°F | Slight Chance Rain Showers | 20% | 2 mph NE | ||
Precipitation Timeline
What to Wear Tomorrow
Extreme heat — stay cool and protected
Clothing
- • Lightest possible clothing
- • Wide-brim hat
- • UV-protective shirt if outdoors
Footwear
Breathable sandals
Accessories
- • Sunglasses
- • Sunscreen
Conditions
High: 98°F
Low: 61°F
Wind: 0-3 mph
Rain: 20%
Big temperature swing (61°F to 98°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
More for Spokane Valley, WA
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- Best time to be outside tomorrow in Spokane Valley