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Current Weather Conditions for Johnston, IA

Areas of fog and a chance of rain before 5am, then rain likely and areas of fog. Cloudy. Low around 42, with temperatures rising to around 44 overnight. North northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
45°F

Conditions

Wind: 5 mph NE
Humidity: 96%
Probability of Precipitation: 44%

Hourly Forcast (next 12 hours)

10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM
45° 44° 44° 44° 42° 39° 37° 32° 28° 25° 23° 21° 20°

Upcoming Week

Day Forecast High Low
Overnight
Areas Of Fog
Areas of fog and a chance of rain before 5am, then rain likely and areas of fog. Cloudy. Low around 42, with temperatures rising to around 44 overnight. North northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
35°F 23°F
Sunday
Sleet
Rain and areas of fog before 10am, then rain and areas of fog and a slight chance of sleet between 10am and 11am, then sleet and rain and snow between 11am and 1pm, then snow likely and patchy blowing snow. Cloudy. High near 44, with temperatures falling to around 18 in the afternoon. Wind chill values as low as -1. North northwest wind 7 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible.
35°F 23°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 9. Wind chill values as low as -12. Northwest wind around 28 mph, with gusts as high as 45 mph.
35°F 23°F
Monday
Mostly Sunny
Mostly sunny, with a high near 19. Wind chill values as low as -12. Northwest wind 14 to 26 mph, with gusts as high as 40 mph.
35°F 23°F
Monday Night
Mostly Clear
Mostly clear, with a low around 11. West northwest wind 3 to 12 mph, with gusts as high as 20 mph.
35°F 23°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 35.
35°F 23°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 24.
35°F 23°F
Wednesday
Mostly Cloudy
Mostly cloudy, with a high near 34.
35°F 23°F
Wednesday Night
Mostly Cloudy
Mostly cloudy, with a low around 16.
35°F 23°F
New Year's Day
Partly Sunny
Partly sunny, with a high near 25.
35°F 23°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 15.
35°F 23°F
Friday
Mostly Sunny
Mostly sunny, with a high near 34.
35°F 23°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 22.
35°F 23°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 36.
35°F 23°F
Data provided by weather.gov