Johnston, IA Weather Forecast

Today's Weather

Sat, Jul 4

Turning cloudy and humid; a heavy thunderstorm this afternoon; storms can bring flooding downpours and localized damaging wind gusts Hi: 85°

Tonight: Mostly cloudy with a couple of drenching thunderstorms; fog late and humid; thunderstorms can bring flooding downpours, hail and damaging wind gusts Lo: 67°

Current Weather

12:25 PM

83°F

RealFeel® 100°

Partly sunny More Details

Looking Ahead

Thunderstorms could disrupt fireworks displays over the holiday weekend

Johnston Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

7/4

85° 67°

A heavy t-storm in the p.m.

Night: Heavy thunderstorms; fog late

55%

Sun

7/5

84° 67°

Humid with a thunderstorm

Clear and humid

55%

Mon

7/6

86° 65°

Humid with partial sunshine

Clear and humid

25%

Tue

7/7

88° 67°

Partly sunny and humid

Mostly clear and humid

Wed

7/8

89° 70°

Humid; an afternoon t-storm

Clouds breaking; humid

55%

Thu

7/9

85° 67°

A t-storm around in the p.m.

A thunderstorm around early

55%

Fri

7/10

86° 68°

Partly sunny

Mainly clear

25%

Sat

7/11

88° 70°

Plenty of sunshine

A crystal-clear sky

Sun

7/12

89° 67°

Sunshine

A crystal-clear sky and humid

Mon

7/13

89° 69°

Sunshine and humid

Mainly clear and humid

Sun & Moon

15 hrs 07 mins

Rise 5:46 AM

Set 8:53 PM

Waning Gibbous

Rise 11:36 PM

Set 11:20 AM

Air Quality

Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.