Hourly Weather Forecast - Altoona, IA

12 AM
35°F
10%
5mph
SSE
Partly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
32°F
1 AM
35°F
0%
5mph
SSE
Mostly Clear
Humidity
88%
Feels like
30°F
Dew Point
31°F
2 AM
35°F
0%
5mph
SE
Partly Cloudy
Humidity
89%
Feels like
30°F
Dew Point
31°F
3 AM
34°F
0%
5mph
SSE
Partly Cloudy
Humidity
90%
Feels like
29°F
Dew Point
31°F
4 AM
33°F
0%
6mph
S
Partly Cloudy
Humidity
92%
Feels like
28°F
Dew Point
31°F
5 AM
33°F
0%
7mph
SW
Partly Cloudy
Humidity
94%
Feels like
26°F
Dew Point
31°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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