Hourly Weather Forecast - Johnstown, CO

12 AM
37°F
10%
5mph
SW
Mostly Clear
Humidity
64%
Feels like
34°F
Dew Point
26°F
1 AM
35°F
10%
5mph
SW
Mostly Clear
Humidity
67%
Feels like
31°F
Dew Point
25°F
2 AM
33°F
10%
4mph
SW
Mostly Clear
Humidity
70%
Feels like
29°F
Dew Point
24°F
3 AM
31°F
10%
3mph
SSW
Mostly Clear
Humidity
74%
Feels like
28°F
Dew Point
24°F
4 AM
30°F
0%
3mph
S
Mostly Clear
Humidity
78%
Feels like
30°F
Dew Point
24°F
5 AM
29°F
0%
3mph
SE
Mostly Clear
Humidity
78%
Feels like
26°F
Dew Point
23°F
6 AM
31°F
0%
4mph
SE
Mostly Clear
Humidity
73%
Feels like
27°F
Dew Point
23°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today'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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