Expires:202605181300;;749185
FPUS53 KDMX 180525
ZFPDMX

Zone Forecast Product for Iowa
National Weather Service Des Moines IA
1223 AM CDT Mon May 18 2026


IAZ074-181300-
Marion-
Including the cities of Pella and Knoxville
1223 AM CDT Mon May 18 2026

...TORNADO WATCH 218 IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

.REST OF TONIGHT...Showers and thunderstorms likely. Some
thunderstorms may be severe with damaging winds, large hail, and
tornadoes. Near steady temperature in the lower 70s. South winds
10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. 
.MONDAY...Mostly cloudy with showers likely with a chance of
thunderstorms in the morning, then partly sunny with a slight
chance of showers and thunderstorms in the afternoon. Humid with
highs in the lower 80s. South winds 15 to 20 mph with gusts up to
30 mph. Chance of rain 70 percent. 
.MONDAY NIGHT...Showers with thunderstorms likely. Humid with
lows in the upper 50s. South winds 15 to 20 mph with gusts up to
30 mph. Chance of rain near 100 percent. 
.TUESDAY...Mostly cloudy with a slight chance of showers 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 20 percent. 
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 40s. North winds 10 to 15 mph. 
.WEDNESDAY...Mostly sunny. Highs in the lower 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...A slight chance of thunderstorms in the
evening. Mostly cloudy with a chance of showers. Lows in the
upper 40s. Chance of rain 40 percent. 
.FRIDAY...Partly sunny. A slight chance of showers in the
morning, then a chance of showers in the afternoon. Highs in the
lower 70s. Chance of rain 30 percent. 
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of showers. A slight chance of
thunderstorms after midnight. Lows in the mid 50s. Chance of rain
20 percent. 
.SATURDAY...Mostly sunny. Highs in the upper 70s. 
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 50s. Chance of
rain 20 percent. 
.SUNDAY...Mostly sunny with a slight chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the mid 80s.
Chance of rain 20 percent. 

$$