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Current Weather Conditions for Johnston, IA

Clear. Low around 11, with temperatures rising to around 14 overnight. Wind chill values as low as 1. West northwest wind around 10 mph, with gusts as high as 18 mph.
15°F

Conditions

Wind: 10 mph WNW
Humidity: 80%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM
15° 15° 14° 13° 12° 11° 12° 13° 14° 15° 17° 18° 18°

Upcoming Week

Day Forecast High Low
Overnight
Clear
Clear. Low around 11, with temperatures rising to around 14 overnight. Wind chill values as low as 1. West northwest wind around 10 mph, with gusts as high as 18 mph.
31°F 18°F
Tuesday
Sunny
Sunny. High near 19, with temperatures falling to around 17 in the afternoon. Wind chill values as low as -3. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
31°F 18°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 8. Wind chill values as low as -1. West wind around 6 mph.
31°F 18°F
Wednesday
Partly Sunny
Partly sunny. High near 25, with temperatures falling to around 22 in the afternoon. Wind chill values as low as 1. Northwest wind 3 to 9 mph.
31°F 18°F
Wednesday Night
Mostly Cloudy
Mostly cloudy, with a low around 4. North wind around 6 mph.
31°F 18°F
Thursday
Partly Sunny
Partly sunny, with a high near 17.
31°F 18°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 0.
31°F 18°F
Friday
Sunny
Sunny, with a high near 13.
31°F 18°F
Friday Night
Mostly Clear
Mostly clear, with a low around -1.
31°F 18°F
Saturday
Sunny
Sunny, with a high near 21.
31°F 18°F
Saturday Night
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after midnight. Mostly cloudy, with a low around 10.
31°F 18°F
Sunday
Chance Light Snow
A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.
31°F 18°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 18.
31°F 18°F
Monday
Partly Sunny
Partly sunny, with a high near 33.
31°F 18°F
Data provided by weather.gov