Expires:202605181400;;752559
FPUS53 KDMX 180630
ZFPDMX

Zone Forecast Product for Iowa
National Weather Service Des Moines IA
128 AM CDT Mon May 18 2026


IAZ062-181400-
Poweshiek-
Including the city of Grinnell
128 AM CDT Mon May 18 2026

.REST OF TONIGHT...Showers with thunderstorms likely. Near steady
temperature in the upper 60s. Southwest winds 10 to 15 mph with
gusts up to 25 mph. Chance of rain 90 percent. 
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms in
the morning. Humid with highs in the lower 80s. South winds 15 to
20 mph with gusts up to 30 mph. Chance of rain 50 percent. 
.MONDAY NIGHT...Thunderstorms likely. Showers. Lows in the mid
50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of
rain 90 percent. 
.TUESDAY...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms in the morning, then partly sunny in the
afternoon. Cooler. Less humid with highs in the mid 60s.
Northwest winds 15 to 20 mph. Chance of rain 40 percent. 
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 40s. Northwest winds 10 to
15 mph, becoming north around 5 mph after midnight. 
.WEDNESDAY...Mostly sunny. Highs in the mid 60s. 
.WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 40s. 
.THURSDAY...Partly sunny. Highs in the mid 60s. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 40s. Chance of
rain 40 percent. 
.FRIDAY...Partly sunny. A chance of showers in the morning, then
a slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 70s. Chance of rain 40 percent. 
.FRIDAY NIGHT...Mostly cloudy. Lows around 50. 
.SATURDAY...Partly sunny. Highs in the upper 70s. 
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the mid 50s. Chance of rain 20 percent. 
.SUNDAY...Mostly sunny. Highs in the mid 80s. 

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