NimbocastWilliston, ND Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Williston, Williams County, North Dakota.
Updated Jul 29, 2026, 2:25 PM local time · Radar refreshes every 5 minutes
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Williston
99°F
Wind 13 mph
Humidity 26%
Cloud cover 100%
UV index 7
Alerts 1
Active alerts (1)
Heat AdvisoryModerate
Williams; Mountrail; McKenzie; Dunn; Mercer; Oliver; Golden Valley; Billings; Stark; Burleigh; Hettinger; Grant; Emmons; Western McLean; Eastern McLean; Western Morton; Eastern Morton; Western Sioux; Eastern Sioux
Until Jul 30, 2026, 1:00 AM
Full details
* WHAT...Heat index values around 100 expected. * WHERE...Much of western and central North Dakota including the James River Valley. * WHEN...Until 8 PM CDT /7 PM MDT/ this evening. * 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.
Williston weather radar
Light
Heavy
Next 24 hours
Now
☁️
99°F
3 PM
☁️
101°F
4 PM
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99°F
1%
5 PM
☀️
100°F
8%
6 PM
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100°F
16%
7 PM
☀️
99°F
25%
8 PM
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97°F
15%
9 PM
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89°F
6%
10 PM
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84°F
3%
11 PM
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81°F
3%
12 AM
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78°F
3%
1 AM
☁️
77°F
4%
2 AM
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75°F
3%
3 AM
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75°F
6%
4 AM
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75°F
7%
5 AM
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73°F
7%
6 AM
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72°F
4%
7 AM
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66°F
4%
8 AM
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69°F
6%
9 AM
☁️
73°F
6%
10 AM
☁️
75°F
7%
11 AM
☁️
76°F
8%
12 PM
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79°F
5%
1 PM
☁️
81°F
4%
7-day forecast
Today
Jul 29
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101°F
62°F
25%
Thu
Jul 30
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89°F
66°F
8%
Fri
Jul 31
🌦️
98°F
68°F
9%
Sat
Aug 1
🌦️
106°F
71°F
9%
Sun
Aug 2
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99°F
76°F
4%
Mon
Aug 3
☁️
82°F
63°F
22%
Tue
Aug 4
🌦️
77°F
54°F
5%
Weather near Williston
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.