Garrison, IA Weather Forecast & Current Conditions

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Garrison Weather Map
UTC Time: 9/18/2026, 16:49
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Garrison, IA Regional Weather

Expires:202609181700;;661474
ASUS43 KDMX 181610
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
1100 AM CDT FRI SEP 18 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>054-066-181700-
   NORTHEAST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CEDAR RAPIDS   CLOUDY    65  63  93 E17G28    30.21R TC  18           
CHARLES CITY * CLOUDY    64  64 100 SE13G23   30.19S TC  18           
CLINTON *      CLOUDY    67  62  84 E10       30.27R TC  19           
DECORAH *      CLOUDY    61  61 100 SE13G21   30.20F TC  16           
DUBUQUE        RAIN      62  61  96 E10       30.28S FOG     TC  17   
OELWEIN *      SUNNY     61  63 100 SE15G23   30.19F TC  16           
WATERLOO       PTSUNNY   64  62  93 SE15G24   30.18S TC  18           
$$
 

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

Garrison, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
100%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

Independence, IA

Today
Thunderstorms
72°/ 65° 22°/ 18°
100%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
80%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: A slight chance of thunderstorms. Showers likely. Highs in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. Showers with lows in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Cedar Rapids, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
100%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Cloudy late this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely late this morning, then a chance of showers this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

Marengo, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
90%
Monday
Rain Showers
62°/ 50° 17°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Cloudy late this morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers late this morning, then a slight chance of showers this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Iowa City, IA

Today
Thunderstorms
75°/ 68° 24°/ 20°
90%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
50°10°
0%
Thursday
Cloudy
50°10°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. East winds 10 to 15 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Manchester, IA

Today
Thunderstorms
72°/ 62° 22°/ 17°
100%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Mon-Mon Night
Rain Showers
62°17°
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: A chance of thunderstorms. Showers. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

Anamosa, IA

Today
Thunderstorms
72°/ 65° 22°/ 18°
100%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Showers likely with a chance of thunderstorms. Highs in the lower 70s. East winds 10 to 15 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.

Sigourney, IA

Today
Thunderstorms
78°/ 68° 26°/ 20°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Rain Showers
70°/ 55° 21°/ 13°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms late this morning, then partly sunny this afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Tipton, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
90%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Becoming partly sunny this afternoon. A slight chance of thunderstorms. Showers likely late this morning, then a chance of showers this afternoon. Highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Washington, IA

Today
Thunderstorms
78°/ 68° 26°/ 20°
70%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
70°21°
90%
Sun Night-Mon
Rain Showers
55°13°
70%
Mon Night
Rain Showers
52°11°
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms late this morning, then a slight chance of showers this afternoon. Highs in the upper 70s. East winds 10 to 15 mph. Chance of rain 40 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Dubuque, IA

Today
Thunderstorms
70°/ 62° 21°/ 17°
100%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Mon-Mon Night
Rain Showers
62°17°
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Showers likely with a slight chance of thunderstorms late this morning, then showers with a chance of thunderstorms this afternoon. Highs around 70. East winds 10 to 15 mph. Chance of rain 80 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

Muscatine, IA

Today
Thunderstorms
78°/ 68° 26°/ 20°
70%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
70°/ 55° 21°/ 13°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
50°10°
0%
Thursday
Cloudy
50°10°
0%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. East winds around 10 mph. Chance of rain 50 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Wapello, IA

Today
Thunderstorms
78°/ 68° 26°/ 20°
70%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
50°10°
0%
Thursday
Cloudy
50°10°
0%

Day: Partly sunny with a slight chance of thunderstorms. A chance of showers late this morning, then a slight chance of showers this afternoon. Highs in the upper 70s. East winds around 10 mph. Chance of rain 50 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Maquoketa, IA

Today
Thunderstorms
72°/ 62° 22°/ 17°
100%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: A slight chance of thunderstorms. Showers. Highs in the lower 70s. East winds around 10 mph. Chance of rain 80 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.

Clinton, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Showers likely with a slight chance of thunderstorms. Highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Fairfield, IA

Today
Thunderstorms
80°/ 68° 27°/ 20°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming mostly sunny. A slight chance of showers and thunderstorms late this morning. Highs around 80. East winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Davenport, IA

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
90%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
48°
0%
Thursday
Cloudy
48°
0%

Day: Showers likely with a slight chance of thunderstorms. Not as warm with highs in the mid 70s. East winds around 10 mph. Chance of rain 60 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Mount Pleasant, IA

Today
Thunderstorms
80°/ 68° 27°/ 20°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming mostly sunny. A slight chance of showers and thunderstorms late this morning. Highs around 80. East winds around 10 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Galena, IL

Today
Thunderstorms
72°/ 62° 22°/ 17°
100%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers late this morning, then showers likely this afternoon. Highs in the lower 70s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Moline, IL

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Cloudy
50°10°
0%
Thursday
Cloudy
50°10°
0%

Day: Partly sunny with a chance of showers with a slight chance of thunderstorms. Not as warm with highs in the mid 70s. East winds around 10 mph. Chance of rain 50 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

Names listed above may include county names.

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