Hourly Weather Forecast - Johnston, IA

6 PM
31°F
0%
7mph
E
Mostly Cloudy
Humidity
52%
Feels like
23°F
Dew Point
15°F
6:05 PM
7 PM
29°F
0%
7mph
E
Mostly Cloudy
Humidity
54%
Feels like
23°F
Dew Point
15°F
8 PM
29°F
0%
7mph
E
Mostly Cloudy
Humidity
56%
Feels like
22°F
Dew Point
15°F
9 PM
28°F
0%
6mph
E
Mostly Cloudy
Humidity
58%
Feels like
21°F
Dew Point
15°F
10 PM
27°F
0%
6mph
E
Partly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
11 PM
27°F
0%
6mph
E
Mostly Clear
Humidity
60%
Feels like
20°F
Dew Point
15°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide