Hourly Weather Forecast - Armstrong, IA

10 AM
26°F
10%
9mph
S
Mostly Cloudy
Humidity
95%
Feels like
17°F
Dew Point
25°F
11 AM
29°F
10%
11mph
S
Mostly Cloudy
Humidity
95%
Feels like
20°F
Dew Point
28°F
12 PM
31°F
10%
12mph
S
Mostly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
30°F
1 PM
33°F
30%
14mph
S
30% Chance of Light Rain
Humidity
94%
Feels like
23°F
Dew Point
31°F
2 PM
34°F
30%
15mph
SSW
30% Chance of Light Rain
Humidity
93%
Feels like
24°F
Dew Point
32°F
3 PM
35°F
40%
17mph
SSW
40% Chance of Light Rain
Humidity
93%
Feels like
25°F
Dew Point
33°F
4 PM
36°F
30%
17mph
SW
30% Chance of Light Rain
Humidity
93%
Feels like
26°F
Dew Point
34°F
4:41 PM
5 PM
37°F
30%
17mph
WSW
30% Chance of Light Rain
Humidity
93%
Feels like
27°F
Dew Point
35°F
6 PM
37°F
30%
19mph
W
30% Chance Rain Showers
Humidity
93%
Feels like
27°F
Dew Point
36°F
7 PM
37°F
30%
21mph
W
30% Chance Rain Showers
Humidity
93%
Feels like
27°F
Dew Point
36°F
8 PM
37°F
10%
23mph
WNW
Windy
Humidity
93%
Feels like
26°F
Dew Point
35°F
9 PM
37°F
10%
24mph
WNW
Windy
Humidity
92%
Feels like
25°F
Dew Point
35°F
10 PM
36°F
10%
26mph
WNW
Windy
Humidity
90%
Feels like
24°F
Dew Point
33°F
11 PM
35°F
10%
27mph
WNW
Windy
Humidity
88%
Feels like
23°F
Dew Point
32°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide