Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Johnston, IA

A chance of snow after noon. Mostly cloudy, with a high near 30. Wind chill values as low as 2. South southeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
16°F

Conditions

Wind: 14 mph S
Humidity: 70%
Probability of Precipitation: 1%

Hourly Forcast (next 12 hours)

3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM
16° 19° 23° 26° 29° 30° 30° 30° 30° 30° 29° 28° 27°

Upcoming Week

Day Forecast High Low
Today
Mostly Cloudy then Chance Snow
A chance of snow after noon. Mostly cloudy, with a high near 30. Wind chill values as low as 2. South southeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
30°F 2°F
Tonight
Cloudy then Chance Light Snow
A chance of snow between midnight and 5am, then a chance of snow and a chance of freezing rain. Cloudy, with a low around 22. Southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. Little or no ice accumulation expected.
30°F 2°F
Saturday
Snow Likely
Snow likely and a slight chance of sleet. Cloudy. High near 29, with temperatures falling to around 26 in the afternoon. North wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
30°F 2°F
Saturday Night
Chance Light Snow
A chance of snow. Cloudy. Low around 3, with temperatures rising to around 6 overnight. Wind chill values as low as -12. North northwest wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
30°F 2°F
Sunday
Partly Sunny
Partly sunny, with a high near 10. Northwest wind 12 to 16 mph, with gusts as high as 26 mph.
30°F 2°F
Sunday Night
Partly Cloudy
Partly cloudy, with a low around -10.
30°F 2°F
Washington's Birthday
Chance Light Snow
A chance of snow. Mostly cloudy, with a high near 2. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
30°F 2°F
Monday Night
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before midnight. Mostly cloudy, with a low around -14. Chance of precipitation is 20%.
30°F 2°F
Tuesday
Mostly Cloudy
Mostly cloudy, with a high near 2.
30°F 2°F
Tuesday Night
Mostly Cloudy
Mostly cloudy, with a low around -12.
30°F 2°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 5.
30°F 2°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around -11.
30°F 2°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 9.
30°F 2°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around -6.
30°F 2°F
Data provided by weather.gov