Nimbocast

Duncan, OK Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Duncan, Stephens County, Oklahoma.

Updated Jul 29, 2026, 2:20 PM local time · Radar refreshes every 5 minutes

☀️
Duncan
Clear
101°F
Feels like 107°F
Wind 10 mph
Humidity 34%
Cloud cover 14%
UV index 7
Alerts 2

Active alerts (2)

Heat AdvisoryModerate
Harper; Woods; Alfalfa; Grant; Kay; Ellis; Woodward; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Kingfisher; Logan; Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Cotton; Jefferson; Carter; Johnston; Love; Marshall; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Until Jul 30, 2026, 4:00 AM
Full details 
* WHAT...For both Heat Advisories, heat index values up to 109.

* WHERE...Portions of central, east central, northern, northwest,
southeast, southern, southwest, and western Oklahoma and northern
Texas.

* WHEN...For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from noon to 9 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Heat AdvisoryModerate
Harper; Woods; Alfalfa; Grant; Kay; Ellis; Woodward; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Kingfisher; Logan; Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Cotton; Jefferson; Carter; Johnston; Love; Marshall; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Until Jul 30, 2026, 4:00 AM
Full details 
* WHAT...For both Heat Advisories, heat index values up to 109.

* WHERE...Portions of central, east central, northern, northwest,
southeast, southern, southwest, and western Oklahoma and northern
Texas.

* WHEN...For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from noon to 9 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Duncan weather radar

Light Heavy

Next 24 hours

Now
☀️
101°F
 
3 PM
🌤️
102°F
 
4 PM
☀️
102°F
1%
5 PM
☀️
102°F
1%
6 PM
☀️
101°F
1%
7 PM
☀️
100°F
2%
8 PM
☀️
98°F
2%
9 PM
☀️
94°F
2%
10 PM
☀️
90°F
1%
11 PM
☀️
89°F
1%
12 AM
☀️
87°F
1%
1 AM
☀️
85°F
2%
2 AM
☀️
83°F
2%
3 AM
☀️
82°F
2%
4 AM
☀️
81°F
2%
5 AM
☀️
80°F
3%
6 AM
☀️
79°F
4%
7 AM
☀️
79°F
4%
8 AM
☀️
83°F
3%
9 AM
☀️
88°F
3%
10 AM
☀️
92°F
3%
11 AM
☀️
95°F
3%
12 PM
☀️
98°F
3%
1 PM
☀️
100°F
2%

7-day forecast

Today
Jul 29
⛅
102°F
78°F
2%
Thu
Jul 30
☀️
103°F
79°F
4%
Fri
Jul 31
🌦️
110°F
81°F
8%
Sat
Aug 1
🌦️
97°F
76°F
8%
Sun
Aug 2
☀️
100°F
68°F
Mon
Aug 3
☀️
103°F
68°F
2%
Tue
Aug 4
☀️
108°F
71°F
4%

Weather near Duncan

26 mi Lawton, OK38 mi Chickasha, OK51 mi Wichita Falls, TX52 mi Ardmore, OK58 mi Norman, OK62 mi Mustang, OK64 mi Moore, OK70 mi Yukon, OK
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.

← All Oklahoma weather