Mark, IA Weather Forecast & Current Conditions

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Mark Weather Map
UTC Time: 9/20/2026, 11:07
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Mark, IA Regional Weather

Expires:202609201200;;761494
ASUS43 KDMX 201106
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
600 AM CDT SUN SEP 20 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* - THESE STATIONS ARE NOT NWS STATIONS...THUS NOT UNDER NWS
QUALITY CONTROL.  THEY ALSO DO NOT REPORT WEATHER SUCH 
AS PRECIPITATION OR FOG.  


IAZ062-063-075>077-085>089-095>099-201200-
   SOUTHEAST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     LGT RAIN  68  68 100 NE3       29.89F TC  20           
FAIRFIELD *    CLOUDY    68  68 100 NW3       29.90F TC  20           
FORT MADISON * LGT RAIN  68  68 100 NW2       29.89F TC  20           
OSKALOOSA *    CLOUDY    69  68  98 CALM      29.91F TC  20           
WASHINGTON *   LGT RAIN  68  68 100 CALM      29.88F TC  20           
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURES IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY  
$$

  

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Mark, IA

Today
Thunderstorms
72°/ 60° 22°/ 16°
70%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
70°21°
20%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of showers, drizzle with a slight chance of thunderstorms this morning. Humid with highs in the lower 70s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Humid with lows around 60. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Centerville, IA

Today
Thunderstorms
70°/ 58° 21°/ 14°
70%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Rain Showers
60°/ 45° 16°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of showers, drizzle with a slight chance of thunderstorms. Cooler with highs around 70. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Ottumwa, IA

Today
Thunderstorms
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
20%

Day: Mostly cloudy. Showers with a chance of thunderstorms after midnight, then a chance of showers, drizzle with a slight chance of thunderstorms this morning. A slight chance of drizzle this afternoon. Cooler with highs in the lower 70s. Northwest winds 5 to 10 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 90 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Albia, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
50%
Monday
Rain Showers
62°/ 55° 17°/ 13°
60%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Sunny
62°/ 50° 17°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. A chance of showers and thunderstorms after midnight, then a slight chance of showers and thunderstorms this morning. A chance of drizzle. Cooler with highs in the upper 60s. North winds 5 to 10 mph, becoming northeast with gusts up to 20 mph this afternoon. Chance of rain 50 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Corydon, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Rain Showers
58°/ 45° 14°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of showers. A slight chance of thunderstorms this afternoon. Cooler with highs in the upper 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph this afternoon. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Oskaloosa, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
80%
Monday
Rain Showers
60°/ 52° 16°/ 11°
60%
Tuesday
Mostly Cloudy
60°/ 45° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%
Saturday
Rain Showers
68°20°
20%

Day: Mostly cloudy. Showers with a chance of thunderstorms after midnight, then a slight chance of showers and thunderstorms this morning. A chance of drizzle. Cooler with highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 80 percent.

Night: Cloudy with a chance of drizzle. A chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Pella, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
50%
Monday
Thunderstorms
60°/ 52° 16°/ 11°
70%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Sunny
62°/ 50° 17°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. A chance of showers and thunderstorms after midnight, then a chance of drizzle. Cooler with highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 50 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Chariton, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
50%
Monday
Rain Showers
60°/ 52° 16°/ 11°
70%
Tuesday
Rain Showers
58°/ 45° 14°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. A chance of showers and thunderstorms after midnight, then a chance of drizzle. Cooler with highs in the upper 60s. Northwest winds 5 to 10 mph, becoming northeast with gusts up to 20 mph this afternoon. Chance of rain 50 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds around 10 mph. Chance of rain 50 percent.

Lamoni, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
60°/ 52° 16°/ 11°
50%
Tuesday
Rain Showers
58°/ 45° 14°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Rain Showers
62°/ 52° 17°/ 11°
20%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms after midnight. A chance of showers, a slight chance of thunderstorms and drizzle this afternoon. Cooler with highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 70 percent.

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Indianola, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Rain Showers
60°/ 45° 16°/
20%
Wednesday
Sunny
62°/ 50° 17°/ 10°
0%
Thursday
Rain Showers
65°/ 55° 18°/ 13°
20%
Friday
Rain Showers
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of drizzle. Much cooler. Near steady temperature in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 70 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds around 10 mph. Chance of rain 50 percent.

Osceola, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Rain Showers
58°/ 45° 14°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Rain Showers
62°/ 52° 17°/ 11°
20%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight. A chance of drizzle this afternoon. Much cooler. Humid with highs in the mid 60s. North winds 5 to 10 mph, becoming northeast with gusts up to 20 mph this afternoon. Chance of rain 70 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Grinnell, IA

Today
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Thunderstorms
58°/ 50° 14°/ 10°
50%
Tuesday
Mostly Cloudy
58°/ 45° 14°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a slight chance of showers and thunderstorms this morning. A chance of drizzle. Cooler with highs in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 70 percent.

Night: Cloudy. A chance of drizzle in the evening, then a chance of showers with a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Newton, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Mostly Cloudy
60°/ 45° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°/ 52° 20°/ 11°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of drizzle. Cooler with highs in the mid 60s. North winds 10 to 15 mph, becoming northeast this afternoon. Chance of rain 70 percent.

Night: Cloudy with a chance of drizzle. A chance of showers after midnight. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Des Moines, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Mostly Cloudy
60°/ 48° 16°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
0%
Thursday
Rain Showers
65°/ 55° 18°/ 13°
20%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a slight chance of thunderstorms after midnight, then a chance of drizzle. Cooler. Near steady temperature in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast 10 to 15 mph this afternoon. Chance of rain 70 percent.

Night: Cloudy with a chance of drizzle. A chance of showers after midnight. Lows in the upper 50s. Northeast winds around 10 mph. Chance of rain 50 percent.

Winterset, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Rain Showers
58°/ 45° 14°/
20%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Rain Showers
65°/ 55° 18°/ 13°
20%
Friday
Rain Showers
68°/ 55° 20°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of drizzle. Much cooler. Near steady temperature in the mid 60s. North winds 5 to 10 mph, becoming northeast with gusts up to 20 mph this afternoon. Chance of rain 70 percent.

Night: Cloudy with a chance of drizzle. Showers likely after midnight. Lows in the upper 50s. Northeast winds around 10 mph. Chance of rain 70 percent.

Mount Ayr, IA

Today
Thunderstorms
68°/ 58° 20°/ 14°
50%
Monday
Rain Showers
60°/ 52° 16°/ 11°
50%
Tuesday
Mostly Cloudy
58°/ 45° 14°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Rain Showers
62°/ 52° 17°/ 11°
30%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Mostly cloudy. A chance of showers and thunderstorms after midnight. A chance of drizzle this afternoon. Much cooler. Humid with highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 50 percent.

Night: A chance of drizzle in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Creston, IA

Today
Thunderstorms
65°/ 58° 18°/ 14°
70%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Mostly Cloudy
58°/ 45° 14°/
0%
Wednesday
Sunny
62°/ 48° 17°/
0%
Thursday
Rain Showers
62°/ 52° 17°/ 11°
20%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight. A chance of drizzle this afternoon. Cooler. Near steady temperature in the mid 60s. North winds 5 to 10 mph. Chance of rain 70 percent.

Night: Cloudy with a chance of drizzle. A chance of showers after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Tama, IA

Today
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Thunderstorms
62°/ 48° 17°/
70%
Tuesday
Partly Cloudy
60°/ 45° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of drizzle. Highs in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

Night: Cloudy. A chance of drizzle in the evening, then a chance of showers with a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Marshalltown, IA

Today
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Thunderstorms
60°/ 50° 16°/ 10°
70%
Tuesday
Partly Cloudy
60°/ 45° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. Showers likely with a chance of thunderstorms after midnight, then a chance of drizzle. Highs in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

Night: Cloudy. A chance of drizzle in the evening, then a chance of showers with a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Perry, IA

Today
Thunderstorms
62°/ 55° 17°/ 13°
70%
Monday
Thunderstorms
60°/ 52° 16°/ 11°
70%
Tuesday
Mostly Cloudy
60°/ 45° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Rain Showers
65°/ 55° 18°/ 13°
30%
Friday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Saturday
Rain Showers
68°20°
30%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms after midnight, then a chance of drizzle. Cooler. Near steady temperature in the lower 60s. North winds around 10 mph with gusts up to 20 mph, becoming northeast with gusts up to 20 mph this afternoon. Chance of rain 50 percent.

Night: Drizzle likely in the evening, then showers likely with a chance of drizzle after midnight. Lows in the mid 50s. Northeast winds around 10 mph. Chance of rain 70 percent.

Names listed above may include county names.

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