Grinnell, IA Weather Forecast & Current Conditions

Feedback E-mail the Weather

Quick Clicks

Weather World

Grinnell, IA Weather Maps

°F °C°F °C
Grinnell Weather Map
UTC Time: 9/25/2026, 12:33
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Grinnell, IA Regional Weather

Expires:202609251300;;030791
ASUS43 KDMX 251210
RWRIA 

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
700 AM CDT FRI SEP 25 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>099-251300-
   SOUTHEAST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     CLOUDY    62  59  90 NE5       30.27R TC  17           
6HR MIN TEMP:  62; 6HR MAX TEMP:  64;                                

FAIRFIELD *    CLOUDY    61  61 100 NE6       30.27R TC  16           
FORT MADISON * CLOUDY    61  59  94 NE5       30.26R TC  16           
KEOKUK *         N/A     61  61 100 NE3       30.26R TC  16           
OSKALOOSA *    CLOUDY    62  62  99 E5        30.27S TC  17           
WASHINGTON *   CLOUDY    61  61 100 NE5       30.26S TC  16           
$$

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

Grinnell, IA

Today
Rain Showers
62°/ 55° 17°/ 13°
90%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
70%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
30%
Monday
Sunny
68°/ 58° 20°/ 14°
20%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Showers early this morning, then a chance of showers this afternoon. Highs in the lower 60s. East winds around 5 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds around 5 mph. Chance of rain 20 percent.

Newton, IA

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

Day: Showers. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Marshalltown, IA

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

Day: Showers likely early this morning, then a chance of showers this afternoon. Highs in the lower 60s. East winds around 5 mph, becoming southeast around 5 mph this afternoon. Chance of rain 70 percent.

Night: Cloudy. A chance of showers after midnight. Near steady temperature around 60. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Tama, IA

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

Day: Cloudy. A chance of showers early this morning, then a slight chance of showers this afternoon. Highs in the lower 60s. East winds around 5 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Oskaloosa, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
90%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
80%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
20%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
20%
Tuesday
Rain Showers
68°/ 62° 20°/ 17°
80%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
50%
Thursday
Rain Showers
68°20°
50%

Day: Showers. Highs in the mid 60s. Northeast winds around 5 mph, becoming east around 5 mph this afternoon. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Near steady temperature in the lower 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Pella, IA

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

Day: Showers. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Ames, IA

Today
Rain Showers
62°/ 62° 17°/ 17°
70%
Saturday
Thunderstorms
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°
90%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Showers likely early this morning, then a chance of showers this afternoon. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 70 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers likely after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Des Moines, IA

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

Day: Showers. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast this afternoon. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Grundy Center, IA

Today
Rain Showers
62°/ 55° 17°/ 13°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
80%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
20%
Monday
Partly Cloudy
68°/ 58° 20°/ 14°
20%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
65°/ 58° 18°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Cloudy. A chance of showers early this morning. Highs in the lower 60s. East winds around 5 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Iowa Falls, IA

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

Day: Cloudy. A chance of showers early this morning, then a slight chance of showers this afternoon. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Night: Cloudy. A chance of showers after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Indianola, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
90%
Saturday
Thunderstorms
62°/ 62° 17°/ 17°
90%
Sunday
Rain Showers
68°/ 62° 20°/ 17°
20%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
40%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
90%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
50%
Thursday
Rain Showers
68°20°
50%

Day: Showers. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Ottumwa, IA

Today
Rain Showers
65°/ 58° 18°/ 14°
80%
Saturday
Rain Showers
60°/ 60° 16°/ 16°
70%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
20%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
0%
Tuesday
Thunderstorms
72°/ 62° 22°/ 17°
80%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
50%
Thursday
Rain Showers
70°21°
50%

Day: A chance of showers early, then showers. Highs in the mid 60s. Light and variable winds, becoming east around 5 mph. Chance of rain 80 percent.

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

Albia, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
90%
Saturday
Thunderstorms
60°/ 62° 16°/ 17°
80%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
30%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
20%
Tuesday
Thunderstorms
70°/ 62° 21°/ 17°
80%
Wednesday
Rain Showers
68°/ 62° 20°/ 17°
50%
Thursday
Rain Showers
70°21°
50%

Day: A chance of showers early, then showers. Highs in the mid 60s. East winds around 5 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers likely after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Waterloo, IA

Today
Rain Showers
65°/ 55° 18°/ 13°
50%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
70%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
50%
Monday
Sunny
68°/ 58° 20°/ 14°
0%
Tuesday
Rain Showers
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Cloudy. A chance of showers early, then a slight chance of showers this morning. Highs in the mid 60s. East winds around 5 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. Lows in the mid 50s. Southeast winds 5 to 10 mph.

Chariton, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
90%
Saturday
Thunderstorms
62°/ 62° 17°/ 17°
90%
Sunday
Thunderstorms
68°/ 60° 20°/ 16°
30%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
30%
Tuesday
Thunderstorms
68°/ 62° 20°/ 17°
80%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
50%
Thursday
Rain Showers
68°20°
50%

Day: Showers. Highs in the mid 60s. East winds around 5 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Boone, IA

Today
Rain Showers
62°/ 60° 17°/ 16°
90%
Saturday
Thunderstorms
60°/ 60° 16°/ 16°
90%
Sunday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Monday
Mostly Cloudy
68°/ 60° 20°/ 16°
40%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Showers. Highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Near steady temperature around 60. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Webster City, IA

Today
Rain Showers
62°/ 60° 17°/ 16°
70%
Saturday
Thunderstorms
58°/ 58° 14°/ 14°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
20%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
40%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
40%
Thursday
Rain Showers
68°20°
40%

Day: Cloudy with a 50 percent chance of showers. Highs in the lower 60s. East winds 5 to 10 mph.

Night: Cloudy. A slight chance of showers in the evening, then showers likely after midnight. Near steady temperature around 60. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Perry, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
100%
Saturday
Thunderstorms
65°/ 62° 18°/ 17°
90%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
20%
Monday
Mostly Cloudy
72°/ 62° 22°/ 17°
40%
Tuesday
Thunderstorms
68°/ 60° 20°/ 16°
90%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
50%
Thursday
Rain Showers
68°20°
40%

Day: Showers. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

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

Parkersburg, IA

Today
Rain Showers
65°/ 55° 18°/ 13°
20%
Saturday
Rain Showers
58°/ 58° 14°/ 14°
80%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
20%
Monday
Partly Cloudy
68°/ 58° 20°/ 14°
20%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
50%
Thursday
Rain Showers
68°20°
40%

Day: Cloudy. A slight chance of showers early this morning. Highs in the mid 60s. Light and variable winds, becoming southeast 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Centerville, IA

Today
Rain Showers
65°/ 62° 18°/ 17°
80%
Saturday
Thunderstorms
62°/ 62° 17°/ 17°
70%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
30%
Monday
Partly Cloudy
72°/ 62° 22°/ 17°
20%
Tuesday
Thunderstorms
70°/ 62° 21°/ 17°
80%
Wednesday
Thunderstorms
68°/ 62° 20°/ 17°
50%
Thursday
Rain Showers
70°21°
50%

Day: A chance of showers early, then showers. Highs in the mid 60s. East winds around 5 mph. Chance of rain 80 percent.

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

Names listed above may include county names.

Trending Headlines

Trending Entertainment Headlines

Grinnell Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Grinnell Quick Facts

National Two Day Weather Forecast


E-mail the Grinnell Weather Forecast

Voice your opinion or tell us about page issues...