Weather Tomorrow in Broken Arrow, OK

Air Quality AlertUntil Aug 22, 1:00 AM

Air Quality Alert issued August 20 at 2:54PM CDT by NWS Tulsa OK

Heat AdvisoryUntil Aug 21, 6:00 AM

Heat Advisory issued August 20 at 12:12PM CDT until August 21 at 8:00PM CDT by NWS Tulsa OK

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

Clear

Precip chance

32%

Wind

5 mph

Humidity

62%

Feels like

98–76°F

Rain forecast

Low chance of precipitation. Highest risk around 9 AM (32%).

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

74°Temperature trend100°

Time	Temp	Condition	Rain %	Wind	Humidity

5 AM☽	82°F	Mostly Clear	8%	5 mph E	63%
6 AM☽	81°F	Slight Chance Showers And Thunderstorms	21%	5 mph E	65%
7 AM☽	79°F	Slight Chance Showers And Thunderstorms	21%	5 mph E	72%
8 AM☽	77°F	Slight Chance Showers And Thunderstorms	21%	5 mph NE	76%
9 AM☽	76°F	Chance Showers And Thunderstorms	32%	5 mph E	82%
10 AM☽	75°F	Chance Showers And Thunderstorms	32%	5 mph E	84%
11 AM	75°F	Chance Showers And Thunderstorms	32%	5 mph E	84%
12 PM	74°F	Slight Chance Showers And Thunderstorms	18%	5 mph SE	90%
1 PM	76°F	Slight Chance Showers And Thunderstorms	18%	5 mph SE	87%
2 PM	78°F	Slight Chance Showers And Thunderstorms	18%	5 mph SE	82%
3 PM	82°F	Partly Sunny	12%	5 mph SE	74%
4 PM	86°F	Mostly Sunny	12%	5 mph SE	65%
5 PM	90°F	Mostly Sunny	12%	5 mph S	56%
6 PM	93°F	Mostly Sunny	5%	5 mph SE	51%
7 PM	97°F	Sunny	5%	5 mph E	43%
8 PM	99°F	Sunny	5%	5 mph E	39%
9 PM	100°F	Sunny	4%	5 mph E	37%
10 PM	100°F	Mostly Sunny	4%	5 mph E	37%
11 PM☽	99°F	Partly Cloudy	4%	5 mph E	37%
12 AM☽	97°F	Mostly Clear	1%	5 mph E	39%
1 AM☽	94°F	Mostly Clear	1%	5 mph E	43%
2 AM☽	88°F	Partly Cloudy	1%	5 mph E	54%
3 AM☽	86°F	Partly Cloudy	5%	5 mph E	59%
4 AM☽	84°F	Mostly Clear	5%	5 mph SE	63%

Precipitation Timeline

100%

50%

32%

5a11a5p11p

<20%20-50%50-70%>70%

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: 100°F

Low: 74°F

Wind: 5 mph

Rain: 32%

Big temperature swing (74°F to 100°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

12 PM – 1 PM

Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)

5a11a5p11p

More for Broken Arrow, OK

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Frequently Asked Questions

What is the weather forecast for tomorrow in Broken Arrow, OK?

Tomorrow in Broken Arrow: High of 100°F, Low of 74°F. Clear with 32% chance of precipitation. Wind 5 mph.

Will it rain tomorrow in Broken Arrow?

Low chance of precipitation. Highest risk around 9 AM (32%).

What should I wear tomorrow in Broken Arrow?

With a high of 100°F and low of 74°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.

How accurate is this forecast?

Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.