Diagonal, IA Weather Forecast & Current Conditions

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Diagonal Weather Map
UTC Time: 9/17/2026, 02:57
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Diagonal, IA Regional Weather

Expires:202609170300;;576543
ASUS43 KDMX 170210
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
900 PM CDT WED SEP 16 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>094-170300-
   SOUTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTIC *     FOG       66  66 100 E7        30.21S VSB 1/2 TC  19   
AUDUBON *        N/A     66  64  94 SE5       30.23S VSB 3/4 TC  19   
CLARINDA *     CLOUDY    72  70  94 NE5       30.22R TC  22           
COUNCIL BLFS * CLOUDY    70  70 100 SE12      30.18F TC  21           
CRESTON *      FOG       68  68 100 E8        30.22S VSB 1/4 TC  20   
HARLAN  *      FOG       66  66 100 SE9       30.20F VSB 1/2 TC  19   
LAMONI         CLOUDY    71  70  96 VRB5      30.21S TC  22           
RED OAK *      CLOUDY    70  70 100 E9        30.20S TC  21           
SHENANDOAH *   CLOUDY    72  72 100 E6        29.16R TC  22           
$$
 

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

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Partly Cloudy
82°/ 68° 28°/ 20°
60%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Sunday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Bedford, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
40%
Friday
Partly Cloudy
85°/ 68° 29°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Thunderstorms
70°/ 62° 21°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Creston, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Partly Cloudy
82°/ 68° 28°/ 20°
60%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Sunday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°20°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Lamoni, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
50%
Friday
Partly Cloudy
82°/ 70° 28°/ 21°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy. A slight chance of showers and thunderstorms early this evening, then a chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall early this evening. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Osceola, IA

Tonight
Thunderstorms
68°20°
70%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
60%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Sunday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°20°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 70 percent.

Corning, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Partly Cloudy
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
60%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°20°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Greenfield, IA

Tonight
Thunderstorms
65°18°
60%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
70%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°20°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 60 percent.

Winterset, IA

Tonight
Thunderstorms
65°18°
70%
Thursday
Thunderstorms
75°/ 68° 24°/ 20°
50%
Friday
Thunderstorms
85°/ 70° 29°/ 21°
60%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Sunday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Atlantic, IA

Tonight
Thunderstorms
65°18°
60%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Partly Cloudy
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
50%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
60%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°20°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 60 percent.

Indianola, IA

Tonight
Thunderstorms
65°18°
70%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
50%
Friday
Thunderstorms
82°/ 72° 28°/ 22°
60%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
60%
Sunday
Thunderstorms
65°/ 62° 18°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
72°22°
20%

Night: Cloudy with a chance of thunderstorms. A slight chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Chariton, IA

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

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 70 percent.

Corydon, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
50%
Friday
Partly Cloudy
82°/ 70° 28°/ 21°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Thunderstorms
70°/ 62° 21°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Rain Showers
70°21°
20%

Night: Cloudy. A slight chance of showers and thunderstorms early this evening, then a chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Guthrie Center, IA

Tonight
Thunderstorms
65°18°
50%
Thursday
Rain Showers
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 50 percent.

Perry, IA

Tonight
Thunderstorms
65°18°
50%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
60%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 50 percent.

Audubon, IA

Tonight
Thunderstorms
65°18°
50%
Thursday
Rain Showers
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
50%
Sunday
Thunderstorms
65°/ 58° 18°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 60s. East winds around 5 mph early this evening, becoming light and variable. Chance of rain 50 percent.

Des Moines, IA

Tonight
Thunderstorms
65°18°
70%
Thursday
Thunderstorms
75°/ 68° 24°/ 20°
50%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Sunday
Thunderstorms
65°/ 62° 18°/ 17°
60%
Monday
Rain Showers
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
72°22°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Pella, IA

Tonight
Thunderstorms
65°18°
70%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
50%
Friday
Thunderstorms
82°/ 72° 28°/ 22°
70%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Sunday
Thunderstorms
65°/ 62° 18°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
70°21°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

Centerville, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
80°/ 68° 27°/ 20°
50%
Friday
Thunderstorms
85°/ 70° 29°/ 21°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Rain Showers
72°22°
20%

Night: Cloudy. A slight chance of showers and thunderstorms early this evening, then a chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall early this evening. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Albia, IA

Tonight
Thunderstorms
68°20°
50%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
50%
Friday
Thunderstorms
82°/ 72° 28°/ 22°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Sunday
Thunderstorms
70°/ 62° 21°/ 17°
70%
Monday
Rain Showers
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Rain Showers
72°22°
20%

Night: Cloudy. A slight chance of showers and thunderstorms early this evening, then a chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Newton, IA

Tonight
Thunderstorms
65°18°
70%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Friday
Thunderstorms
82°/ 70° 28°/ 21°
70%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
50%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
60%
Monday
Thunderstorms
65°/ 58° 18°/ 14°
50%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
72°22°
20%

Night: Cloudy with a chance of thunderstorms. A chance of showers early this evening, then showers likely. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.

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