Tue Feb 18 12:30:30 AM EST 2025 Johnson- Including the city of Iowa City 1129 PM CST Mon Feb 17 2025 ...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY... .REST OF TONIGHT...Mostly cloudy late this evening, then clearing. Cold with lows around 12 below. North winds around 10 mph with gusts up to 20 mph. Wind chill values as low as 29 below. .TUESDAY...Mostly sunny. Cold with highs around 5 above. North winds 5 to 10 mph. Wind chill values as low as 30 below. .TUESDAY NIGHT...Cloudy, cold with lows around 5 below. North winds around 10 mph with gusts up to 20 mph. Wind chill values as low as 21 below. .WEDNESDAY...Cloudy, cold with highs around 5 above. Northwest winds 10 to 15 mph. Wind chill values as low as 21 below. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 7 below. Northwest winds around 10 mph. Wind chill values as low as 24 below. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 10 above. Lows 5 below to 10 below zero. Wind chill values as low as 25 below. .FRIDAY...Sunny. Highs around 20. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 5 to 10 above. Highs around 30. Wind chill values as low as zero. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 20. Highs around 40. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. Lows in the upper 20s. Highs in the mid 40s.