Hourly Weather Forecast - Sierra, Guanacaste, CR

1 PM
90°F
0%
11mph
ENE
Mostly Sunny
Humidity
44%
Feels like
93°F
Dew Point
65°F
2 PM
90°F
0%
13mph
ENE
Mostly Sunny
Humidity
43%
Feels like
92°F
Dew Point
65°F
3 PM
89°F
0%
14mph
ENE
Mostly Sunny
Humidity
43%
Feels like
91°F
Dew Point
64°F
4 PM
87°F
0%
15mph
ENE
Sunny
Humidity
46%
Feels like
88°F
Dew Point
64°F
5 PM
84°F
0%
13mph
ENE
Sunny
Humidity
50%
Feels like
85°F
Dew Point
63°F
5:50 PM
6 PM
81°F
0%
11mph
ENE
Clear
Humidity
55%
Feels like
82°F
Dew Point
63°F
7 PM
79°F
0%
9mph
NE
Clear
Humidity
59%
Feels like
79°F
Dew Point
64°F
8 PM
78°F
0%
9mph
ENE
Clear
Humidity
62%
Feels like
78°F
Dew Point
64°F
9 PM
77°F
0%
9mph
ENE
Clear
Humidity
64%
Feels like
77°F
Dew Point
64°F
10 PM
77°F
0%
7mph
ENE
Clear
Humidity
65%
Feels like
77°F
Dew Point
65°F
11 PM
77°F
0%
7mph
ENE
Clear
Humidity
67%
Feels like
77°F
Dew Point
65°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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