Diagonal, IA Weather Forecast & Current Conditions

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Diagonal Weather Map
UTC Time: 9/17/2026, 10:30
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Diagonal, IA Regional Weather

Expires:202609171100;;595524
ASUS43 KDMX 171010
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
500 AM CDT THU SEP 17 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.  


IAZ055>058-069>071-079>083-090>094-171100-
   SOUTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     CLOUDY    68  68 100 CALM      30.17S TC  20           
AUDUBON *        N/A     66  66 100 CALM      30.19S TC  19           
CLARINDA *     FOG       70  72 100 NE6       30.19R VSB 1/2 TC  21   
COUNCIL BLFS * FOG       68  68 100 N3        30.17S VSB 1/4 TC  20   
CRESTON *      FOG       70  70 100 N6        30.19R VSB 1/4 TC  21   
HARLAN  *      CLOUDY    68  68 100 N3        30.19R TC  20           
LAMONI         FOG       69  69 100 VRB3      30.17R VSB 1/2 TC  21   
RED OAK *      FOG       68  68 100 NE6       30.18R VSB 3/4 TC  20   
SHENANDOAH *   FOG       70  70 100 N6        29.14R VSB 1   TC  21   
$$
 

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

Diagonal, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
30%
Friday
Partly Cloudy
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Thunderstorms
68°20°
20%

Day: Mostly cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the upper 70s. Northeast winds around 5 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent.

Bedford, IA

Today
Thunderstorms
80°/ 65° 27°/ 18°
40%
Friday
Partly Cloudy
85°/ 68° 29°/ 20°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Thunderstorms
70°21°
20%

Day: Mostly cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Humid with highs around 80. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent.

Creston, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. East winds around 5 mph, becoming northeast around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent.

Lamoni, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
20%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the upper 70s. Northeast winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 20 percent.

Osceola, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
50%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. East winds around 5 mph, becoming northeast around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Corning, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Partly Cloudy
85°/ 68° 29°/ 20°
60%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Humid with highs in the upper 70s. East winds around 5 mph, becoming northeast. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent.

Greenfield, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
60%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. East winds around 5 mph, becoming northeast. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 40 percent.

Winterset, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
85°/ 70° 29°/ 21°
70%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Partly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. Southeast winds around 5 mph, becoming north. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Atlantic, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
65°/ 58° 18°/ 14°
50%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the mid 70s. Northeast winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 40 percent.

Indianola, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 72° 28°/ 22°
70%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Partly Cloudy
70°21°
0%

Day: Cloudy. A chance of showers and thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. Southeast winds around 5 mph, becoming northeast. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Chariton, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. Southeast winds around 5 mph, becoming northeast around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Corydon, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
20%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Rain Showers
68°20°
20%

Day: Mostly cloudy. A slight chance of showers and thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the upper 70s. Southeast winds around 5 mph, becoming northeast around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Guthrie Center, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
50%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the mid 70s. East winds around 5 mph, becoming north. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Perry, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
65°/ 58° 18°/ 14°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Partly Cloudy
68°20°
0%

Day: Cloudy. Showers likely with a chance of thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Humid with highs in the mid 70s. Southeast winds around 5 mph, becoming north. Chance of rain 60 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Audubon, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°20°
20%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early, then a chance of showers this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Humid with highs in the mid 70s. North winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Des Moines, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
62°/ 55° 17°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Partly Cloudy
70°21°
0%

Day: Cloudy. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms this morning. Patchy dense fog early. Areas of dense fog this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the mid 70s. East winds around 5 mph, becoming north. Chance of rain 60 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Pella, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Partly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers and thunderstorms early this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. East winds around 5 mph, becoming north around 5 mph this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Centerville, IA

Today
Thunderstorms
82°/ 65° 28°/ 18°
30%
Friday
Thunderstorms
85°/ 70° 29°/ 21°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Thunderstorms
70°/ 58° 21°/ 14°
70%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Rain Showers
70°21°
20%

Day: Mostly cloudy. A slight chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early this morning. Humid with highs in the lower 80s. Southeast winds around 5 mph, becoming northeast. Chance of rain 30 percent.

Night: Mostly cloudy. Humid with lows in the mid 60s. Northeast winds around 5 mph.

Albia, IA

Today
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Thunderstorms
82°/ 72° 28°/ 22°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
62°/ 55° 17°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
20%
Wednesday
Sunny
70°21°
0%

Day: Mostly cloudy. A chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this morning. Areas of dense fog early this morning. Some thunderstorms may produce heavy rainfall early. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the upper 70s. East winds around 5 mph, becoming north this afternoon. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Newton, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Sunny
70°21°
0%

Day: Cloudy. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms this morning. Patchy dense fog early. Areas of dense fog this morning. Some thunderstorms may produce heavy rainfall early this morning. Locally heavy rainfall possible early. Humid with highs in the mid 70s. East winds around 5 mph, becoming northeast around 5 mph this afternoon. Chance of rain 70 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Names listed above may include county names.

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