Hourly Weather Forecast - Sierra Grande, Rio Negro, AR

12 AM
67°F
0%
8mph
SSW
Mostly Cloudy
Humidity
23%
Feels like
67°F
Dew Point
29°F
1 AM
65°F
0%
9mph
SSW
Mostly Cloudy
Humidity
26%
Feels like
65°F
Dew Point
29°F
2 AM
63°F
0%
10mph
SW
Partly Cloudy
Humidity
29%
Feels like
63°F
Dew Point
30°F
3 AM
61°F
0%
11mph
SW
Partly Cloudy
Humidity
32%
Feels like
61°F
Dew Point
31°F
4 AM
59°F
0%
11mph
WSW
Partly Cloudy
Humidity
36%
Feels like
59°F
Dew Point
32°F
5 AM
57°F
0%
11mph
WSW
Mostly Clear
Humidity
40%
Feels like
57°F
Dew Point
32°F
5:44 AM
6 AM
56°F
0%
11mph
WSW
Sunny
Humidity
42%
Feels like
56°F
Dew Point
33°F
7 AM
59°F
0%
12mph
WSW
Sunny
Humidity
37%
Feels like
59°F
Dew Point
33°F
8 AM
64°F
0%
13mph
WSW
Sunny
Humidity
32%
Feels like
64°F
Dew Point
33°F
9 AM
67°F
0%
12mph
WSW
Sunny
Humidity
28%
Feels like
67°F
Dew Point
33°F
10 AM
71°F
0%
9mph
WSW
Sunny
Humidity
25%
Feels like
71°F
Dew Point
33°F
11 AM
74°F
0%
7mph
WNW
Sunny
Humidity
23%
Feels like
74°F
Dew Point
33°F
12 PM
76°F
0%
7mph
WNW
Sunny
Humidity
20%
Feels like
76°F
Dew Point
33°F
1 PM
79°F
0%
8mph
WNW
Mostly Sunny
Humidity
18%
Feels like
79°F
Dew Point
32°F
2 PM
82°F
0%
9mph
WNW
Partly Cloudy
Humidity
16%
Feels like
79°F
Dew Point
31°F
3 PM
84°F
0%
10mph
WNW
Mostly Cloudy
Humidity
14%
Feels like
81°F
Dew Point
30°F
4 PM
85°F
10%
9mph
WNW
Mostly Cloudy
Humidity
14%
Feels like
82°F
Dew Point
30°F
5 PM
85°F
10%
9mph
WNW
Mostly Cloudy
Humidity
14%
Feels like
82°F
Dew Point
31°F
6 PM
85°F
0%
9mph
WNW
Mostly Cloudy
Humidity
15%
Feels like
82°F
Dew Point
31°F
7 PM
83°F
0%
6mph
W
Mostly Cloudy
Humidity
15%
Feels like
81°F
Dew Point
31°F
8 PM
80°F
0%
8mph
W
Cloudy
Humidity
17%
Feels like
79°F
Dew Point
32°F
8:55 PM
9 PM
77°F
0%
11mph
WSW
Cloudy
Humidity
21%
Feels like
77°F
Dew Point
34°F
10 PM
73°F
10%
9mph
WSW
Mostly Cloudy
Humidity
27%
Feels like
73°F
Dew Point
38°F
11 PM
71°F
10%
6mph
W
Mostly Cloudy
Humidity
32%
Feels like
71°F
Dew Point
40°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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