Johnston, IA Weather Forecast

Today's Weather

Tue, Sep 8

Hot and humid with sunshine; a drenching thunderstorm this afternoon; thunderstorms could bring damaging winds, flash flooding and hail Hi: 94°

Tonight: Partly cloudy, warm and humid with a couple of drenching thunderstorms; thunderstorms could bring damaging winds, flash flooding and hail Lo: 70°

Current Weather

3:36 AM

69°F

RealFeel® 67°

Partly cloudy More Details

Wind SSE 6 mph

Wind Gusts 9 mph

Air Quality Fair

Looking Ahead

Heavy thunderstorms into tomorrow will bring relief from the heat

Johnston Weather Radar

Static Radar Temporarily Unavailable

Thank you for your patience as we work to get everything up and running again.

Refresh Page

Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

9/8

94° 70°

A heavy t-storm in the p.m.

Night: Partly cloudy, heavy t-storms

98%

Wed

9/9

86° 60°

A heavy t-storm in the a.m.

Mainly clear

55%

Thu

9/10

81° 60°

Sunny and less humid

Clear

Fri

9/11

84° 63°

Breezy, humid; a p.m. t-storm

Humid; a strong t-storm late

55%

Sat

9/12

80° 61°

A thunderstorm in spots

Partly cloudy

55%

Sun

9/13

80° 66°

A.M. showers, then t-storms

A strong t-storm in spots

65%

Mon

9/14

78° 57°

Humid with afternoon t-storms

Mainly clear

78%

Tue

9/15

72° 54°

Mostly sunny and less humid

Mainly clear

Wed

9/16

75° 56°

Mostly cloudy

Partly cloudy

Thu

9/17

70° 54°

Sun and some clouds

Partly cloudy

Sun & Moon

12 hrs 49 mins

Rise 6:48 AM

Set 7:37 PM

Waning Crescent

Rise 3:41 AM

Set 6:26 PM

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.