Union, IA Weather Forecast & Current Conditions

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Union, IA Weather Maps

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Union Weather Map
UTC Time: 9/25/2026, 01:51
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Union, IA Regional Weather

Expires:202609250200;;006193
ASUS43 KDMX 250110
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
800 PM CDT THU SEP 24 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.  


IAZ007>011-017>019-026>030-037>042-050>054-066-250200-
   NORTHEAST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   CLOUDY    63  58  83 N3        30.28S TC  17           
CHARLES CITY * CLOUDY    59  59 100 SE5       30.28F TC  15           
CLINTON *      CLOUDY    64  60  87 N5        30.29S TC  18           
DECORAH *      CLOUDY    61  59  94 E3        30.28S TC  16           
DUBUQUE        CLOUDY    64  57  78 NE3       30.30S TC  18           
MONTICELLO *   CLOUDY    63  63 100 CALM      30.27S TC  17           
OELWEIN *      CLOUDY    61  61 100 NW3       30.30S TC  16           
WATERLOO       LGT RAIN  61  58  90 CALM      30.28S TC  16           
$$
 

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

Union, IA

Tonight
Rain Showers
60°16°
50%
Friday
Rain Showers
65°/ 58° 18°/ 14°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
100%
Sunday
Mostly Cloudy
65°/ 58° 18°/ 14°
0%
Monday
Partly Cloudy
68°/ 60° 20°/ 16°
40%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature around 60. East winds around 5 mph.

Marshalltown, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
62°/ 62° 17°/ 17°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
100%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 62° 20°/ 17°
40%
Tuesday
Thunderstorms
65°/ 60° 18°/ 16°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph.

Grundy Center, IA

Tonight
Rain Showers
60°16°
50%
Friday
Rain Showers
65°/ 58° 18°/ 14°
40%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 60° 20°/ 16°
30%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
60°/ 55° 16°/ 13°
40%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature around 60. Southeast winds around 5 mph this evening, becoming light and variable.

Ames, IA

Tonight
Rain Showers
62°17°
70%
Friday
Rain Showers
62°/ 62° 17°/ 17°
70%
Saturday
Rain Showers
60°/ 60° 16°/ 16°
100%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 62° 20°/ 17°
40%
Tuesday
Thunderstorms
68°/ 60° 20°/ 16°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A chance of showers this evening, then showers likely after midnight. Near steady temperature in the lower 60s. East winds around 5 mph. Chance of rain 70 percent.

Tama, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
65°/ 58° 18°/ 14°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 60° 20°/ 16°
30%
Tuesday
Thunderstorms
68°/ 60° 20°/ 16°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph.

Parkersburg, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
65°/ 58° 18°/ 14°
20%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Monday
Partly Cloudy
68°/ 58° 20°/ 14°
30%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph.

Hampton, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
65°/ 58° 18°/ 14°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
62°17°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. Southeast winds around 5 mph.

Webster City, IA

Tonight
Rain Showers
58°14°
70%
Friday
Rain Showers
62°/ 62° 17°/ 17°
60%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
100%
Sunday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Monday
Mostly Cloudy
68°/ 62° 20°/ 17°
40%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A chance of showers this evening, then showers likely after midnight. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 70 percent.

Newton, IA

Tonight
Rain Showers
62°17°
50%
Friday
Rain Showers
62°/ 62° 17°/ 17°
70%
Saturday
Rain Showers
60°/ 60° 16°/ 16°
100%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 62° 20°/ 17°
40%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the lower 60s. East winds around 5 mph.

Waterloo, IA

Tonight
Rain Showers
58°14°
40%
Friday
Rain Showers
65°/ 58° 18°/ 14°
40%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
70%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
20%
Monday
Partly Cloudy
68°/ 60° 20°/ 16°
30%
Tuesday
Rain Showers
65°/ 60° 18°/ 16°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 40 percent chance of showers. Lows in the upper 50s. East winds around 5 mph.

Des Moines, IA

Tonight
Rain Showers
62°17°
70%
Friday
Rain Showers
62°/ 62° 17°/ 17°
90%
Saturday
Rain Showers
62°/ 62° 17°/ 17°
100%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
20%
Monday
Partly Cloudy
70°/ 62° 21°/ 17°
40%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
80%
Wednesday
Thunderstorms
62°/ 60° 17°/ 16°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A chance of showers this evening, then showers likely after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 70 percent.

Eagle Grove, IA

Tonight
Rain Showers
58°14°
70%
Friday
Rain Showers
65°/ 58° 18°/ 14°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
100%
Sunday
Mostly Cloudy
65°/ 58° 18°/ 14°
0%
Monday
Mostly Cloudy
68°/ 60° 20°/ 16°
40%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Rain Showers
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
62°17°
40%

Night: Cloudy. Showers likely, mainly this evening. Near steady temperature in the upper 50s. Southeast winds around 5 mph. Chance of rain 70 percent.

Grinnell, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
62°/ 58° 17°/ 14°
70%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 60° 20°/ 16°
30%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph this evening, becoming light and variable.

Boone, IA

Tonight
Rain Showers
58°14°
70%
Friday
Rain Showers
62°/ 62° 17°/ 17°
70%
Saturday
Rain Showers
62°/ 62° 17°/ 17°
100%
Sunday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Monday
Rain Showers
68°/ 62° 20°/ 17°
40%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Thunderstorms
60°/ 58° 16°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A chance of showers this evening, then showers likely after midnight. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 70 percent.

Waverly, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
58°/ 55° 14°/ 13°
70%
Sunday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Monday
Partly Cloudy
68°/ 58° 20°/ 14°
30%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Thunderstorms
62°/ 55° 17°/ 13°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 50s. East winds around 5 mph.

Mason City, IA

Tonight
Rain Showers
58°14°
50%
Friday
Rain Showers
65°/ 55° 18°/ 13°
40%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
90%
Sunday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
40%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
80%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
50%
Thursday
Rain Showers
62°17°
40%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature in the upper 50s. Southeast winds around 5 mph.

Fort Dodge, IA

Tonight
Rain Showers
60°16°
70%
Friday
Rain Showers
62°/ 62° 17°/ 17°
70%
Saturday
Rain Showers
62°/ 60° 17°/ 16°
100%
Sunday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Monday
Mostly Cloudy
68°/ 62° 20°/ 17°
50%
Tuesday
Rain Showers
65°/ 58° 18°/ 14°
80%
Wednesday
Rain Showers
62°/ 55° 17°/ 13°
40%
Thursday
Rain Showers
62°17°
40%

Night: Showers likely, mainly this evening. Near steady temperature around 60. Southeast winds around 5 mph. Chance of rain 70 percent.

Perry, IA

Tonight
Rain Showers
60°16°
80%
Friday
Rain Showers
62°/ 62° 17°/ 17°
90%
Saturday
Thunderstorms
62°/ 62° 17°/ 17°
100%
Sunday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Monday
Mostly Cloudy
70°/ 62° 21°/ 17°
40%
Tuesday
Thunderstorms
68°/ 60° 20°/ 16°
80%
Wednesday
Thunderstorms
62°/ 58° 17°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A chance of showers this evening, then showers after midnight. Lows around 60. Southeast winds around 5 mph. Chance of rain 80 percent.

Oskaloosa, IA

Tonight
Rain Showers
62°17°
50%
Friday
Rain Showers
65°/ 60° 18°/ 16°
90%
Saturday
Rain Showers
60°/ 60° 16°/ 16°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
30%
Monday
Partly Cloudy
70°/ 62° 21°/ 17°
30%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
70%
Wednesday
Thunderstorms
65°/ 58° 18°/ 14°
50%
Thursday
Rain Showers
65°18°
40%

Night: Mostly cloudy. A slight chance of showers this evening, then a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 50 percent.

Pella, IA

Tonight
Rain Showers
62°17°
50%
Friday
Rain Showers
62°/ 60° 17°/ 16°
90%
Saturday
Rain Showers
62°/ 62° 17°/ 17°
100%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
30%
Monday
Partly Cloudy
70°/ 62° 21°/ 17°
40%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
80%
Wednesday
Thunderstorms
62°/ 60° 17°/ 16°
50%
Thursday
Rain Showers
65°18°
40%

Night: Cloudy. A slight chance of showers this evening, then a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 50 percent.

Names listed above may include county names.

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