Hourly Weather Forecast - Sierra Grande, Rio Negro, AR

12 AM
55°F
0%
8mph
E
Partly Cloudy
Humidity
84%
Feels like
55°F
Dew Point
50°F
1 AM
54°F
0%
9mph
ENE
Partly Cloudy
Humidity
85%
Feels like
54°F
Dew Point
49°F
2 AM
53°F
0%
9mph
NE
Partly Cloudy
Humidity
82%
Feels like
53°F
Dew Point
48°F
3 AM
53°F
0%
8mph
NE
Partly Cloudy
Humidity
81%
Feels like
53°F
Dew Point
47°F
4 AM
52°F
0%
6mph
NE
Partly Cloudy
Humidity
83%
Feels like
52°F
Dew Point
47°F
5 AM
52°F
0%
4mph
NE
Partly Cloudy
Humidity
86%
Feels like
52°F
Dew Point
47°F
5:42 AM
6 AM
52°F
0%
3mph
NE
Partly Cloudy
Humidity
85%
Feels like
52°F
Dew Point
48°F
7 AM
55°F
0%
4mph
NE
Partly Cloudy
Humidity
78%
Feels like
55°F
Dew Point
49°F
8 AM
59°F
0%
9mph
NNE
Partly Cloudy
Humidity
68%
Feels like
59°F
Dew Point
49°F
9 AM
63°F
0%
9mph
N
Partly Cloudy
Humidity
60%
Feels like
63°F
Dew Point
49°F
10 AM
67°F
0%
7mph
NNW
Partly Cloudy
Humidity
51%
Feels like
67°F
Dew Point
48°F
11 AM
71°F
0%
4mph
WNW
Mostly Sunny
Humidity
43%
Feels like
71°F
Dew Point
48°F
12 PM
75°F
0%
3mph
S
Mostly Sunny
Humidity
37%
Feels like
75°F
Dew Point
47°F
1 PM
78°F
0%
4mph
S
Mostly Sunny
Humidity
32%
Feels like
78°F
Dew Point
46°F
2 PM
81°F
0%
5mph
S
Partly Cloudy
Humidity
28%
Feels like
80°F
Dew Point
45°F
3 PM
83°F
0%
6mph
E
Partly Cloudy
Humidity
26%
Feels like
81°F
Dew Point
45°F
4 PM
84°F
0%
8mph
ENE
Partly Cloudy
Humidity
24%
Feels like
82°F
Dew Point
44°F
5 PM
84°F
0%
13mph
E
Mostly Sunny
Humidity
24%
Feels like
81°F
Dew Point
44°F
6 PM
82°F
0%
12mph
E
Mostly Sunny
Humidity
26%
Feels like
80°F
Dew Point
44°F
7 PM
80°F
0%
11mph
E
Sunny
Humidity
28%
Feels like
80°F
Dew Point
44°F
8 PM
77°F
0%
10mph
ESE
Sunny
Humidity
33%
Feels like
77°F
Dew Point
45°F
8:54 PM
9 PM
72°F
0%
6mph
ESE
Clear
Humidity
39%
Feels like
72°F
Dew Point
46°F
10 PM
69°F
0%
3mph
ESE
Mostly Clear
Humidity
44%
Feels like
69°F
Dew Point
46°F
11 PM
68°F
0%
3mph
SSE
Mostly Clear
Humidity
46%
Feels like
68°F
Dew Point
46°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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