Hourly Weather Forecast - Sierra Grande, Rio Negro, AR

12 AM
67°F
0%
4mph
WNW
Partly Cloudy
Humidity
44%
Feels like
67°F
Dew Point
45°F
1 AM
67°F
0%
6mph
W
Partly Cloudy
Humidity
44%
Feels like
67°F
Dew Point
44°F
2 AM
67°F
0%
7mph
W
Partly Cloudy
Humidity
42%
Feels like
67°F
Dew Point
43°F
3 AM
66°F
0%
8mph
W
Mostly Clear
Humidity
43%
Feels like
66°F
Dew Point
42°F
4 AM
65°F
0%
8mph
W
Mostly Clear
Humidity
44%
Feels like
65°F
Dew Point
43°F
5 AM
64°F
0%
8mph
W
Clear
Humidity
47%
Feels like
64°F
Dew Point
43°F
5:43 AM
6 AM
63°F
0%
9mph
W
Sunny
Humidity
49%
Feels like
63°F
Dew Point
44°F
7 AM
65°F
0%
10mph
W
Mostly Sunny
Humidity
44%
Feels like
65°F
Dew Point
43°F
8 AM
69°F
0%
14mph
WSW
Mostly Sunny
Humidity
39%
Feels like
69°F
Dew Point
43°F
9 AM
71°F
0%
16mph
WSW
Partly Cloudy
Humidity
34%
Feels like
71°F
Dew Point
42°F
10 AM
74°F
0%
16mph
WSW
Partly Cloudy
Humidity
30%
Feels like
74°F
Dew Point
41°F
11 AM
77°F
0%
14mph
WSW
Partly Cloudy
Humidity
26%
Feels like
77°F
Dew Point
39°F
12 PM
80°F
0%
13mph
WSW
Partly Cloudy
Humidity
22%
Feels like
80°F
Dew Point
38°F
1 PM
81°F
10%
13mph
W
Partly Cloudy
Humidity
20%
Feels like
79°F
Dew Point
36°F
2 PM
83°F
10%
15mph
WSW
Partly Cloudy
Humidity
17%
Feels like
80°F
Dew Point
34°F
3 PM
84°F
10%
15mph
WSW
Partly Cloudy
Humidity
16%
Feels like
81°F
Dew Point
33°F
4 PM
84°F
20%
15mph
WSW
Partly Cloudy
Humidity
14%
Feels like
81°F
Dew Point
31°F
5 PM
84°F
10%
15mph
W
Partly Cloudy
Humidity
14%
Feels like
81°F
Dew Point
29°F
6 PM
84°F
20%
13mph
W
Partly Cloudy
Humidity
14%
Feels like
81°F
Dew Point
29°F
7 PM
82°F
0%
9mph
WSW
Partly Cloudy
Humidity
16%
Feels like
80°F
Dew Point
31°F
8 PM
80°F
0%
5mph
WSW
Partly Cloudy
Humidity
19%
Feels like
80°F
Dew Point
33°F
8:55 PM
9 PM
76°F
0%
1mph
SW
Mostly Cloudy
Humidity
22%
Feels like
76°F
Dew Point
35°F
10 PM
73°F
0%
3mph
SSW
Mostly Cloudy
Humidity
24%
Feels like
73°F
Dew Point
34°F
11 PM
70°F
0%
5mph
SSW
Mostly Cloudy
Humidity
24%
Feels like
70°F
Dew Point
32°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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