Expires:202512280500;;335964 FPUS53 KDMX 272119 ZFPDMX Zone Forecast Product for Iowa National Weather Service Des Moines IA 317 PM CST Sat Dec 27 2025 IAZ048-280500- Story- Including the city of Ames 317 PM CST Sat Dec 27 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CST SUNDAY... ...WIND ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 6 AM CST MONDAY... .TONIGHT...Cloudy. Areas of dense fog this evening, then widespread dense fog after midnight. A slight chance of rain after midnight. Lows around 40. Southeast winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 20 percent. .SUNDAY...Rain with a slight chance of sleet in the morning. Snow. Areas of dense fog in the morning. Patchy blowing snow in the afternoon. Snow and sleet accumulation around an inch. Windy with highs in the lower 40s. Temperature falling to around 20 in the afternoon. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 90 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Patchy blowing snow. Little or no additional snow accumulation. Windy and much cooler with lows around 8 above. Northwest winds around 30 mph with gusts up to 45 mph. .MONDAY...Mostly sunny and windy. Much cooler with highs around 15. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the morning. .MONDAY NIGHT...Mostly clear. Lows around 7 above. Northwest winds 10 to 15 mph. .TUESDAY...Mostly sunny. Not as cool with highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. .WEDNESDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 30s. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of snow in the evening. Lows around 10 above. Chance of snow 20 percent. .NEW YEARS DAY...Mostly sunny. Highs in the lower 20s. .THURSDAY NIGHT...Partly cloudy. Lows around 10 above. .FRIDAY...Mostly sunny. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy. Lows around 20. .SATURDAY...Partly sunny. Highs in the mid 30s. $$