As of 10:08 MDT

Weather in Ottumwa, SD

57°

Ottumwa, Tuesday, 20 October, 10:08

Clear. Feels like 56°. High 73°, low 44°.

Pressure30.09 inHg

Wind9.6 mph S

Humidity66%

Visibility6.2 mi

Dew point46°

See detailed hourly forecast

Wed, 2168° / 45°

68 °

Ottumwa, Wednesday, 21 October

Overcast. High 68°, low 45°.

Pressure30.21 inHg

Wind4.7 mph NE

Humidity62%

Visibility6.2 mi

Dew point48°

Thu, 2277° / 50°

77 °

Ottumwa, Thursday, 22 October

Clear. High 77°, low 50°.

Pressure30.00 inHg

Wind10.8 mph SE

Humidity66%

Visibility6.2 mi

Dew point55°

Fri, 2380° / 59°

80 °

Ottumwa, Friday, 23 October

Overcast. High 80°, low 59°.

Pressure29.71 inHg

Wind13.6 mph S

Humidity57%

Visibility6.2 mi

Dew point55°

Sat, 2457° / 43°

0.04

57 °

Ottumwa, Saturday, 24 October

Light rain. High 57°, low 43°.

Pressure30.39 inHg

Wind28.3 mph NW

Humidity44%

Visibility—

Dew point30°

Sun, 2546° / 35°

0.24

46 °

Ottumwa, Sunday, 25 October

Snow. High 46°, low 35°.

Pressure30.47 inHg

Wind10.6 mph NE

Humidity55%

Visibility—

Dew point30°

Mon, 2641° / 33°

0.09

41 °

Ottumwa, Monday, 26 October

Snow. High 41°, low 33°.

Pressure30.50 inHg

Wind12.6 mph NW

Humidity62%

Visibility—

Dew point26°

Tue, 2740° / 25°

40 °

Ottumwa, Tuesday, 27 October

Clear. High 40°, low 25°.

Pressure30.68 inHg

Wind12 mph N

Humidity38%

Visibility—

Dew point11°

Wed, 2854° / 34°

54 °

Ottumwa, Wednesday, 28 October

Clear. High 54°, low 34°.

Pressure30.18 inHg

Wind17.8 mph NW

Humidity31%

Visibility—

Dew point18°

Thu, 2951° / 33°

51 °

Ottumwa, Thursday, 29 October

Clear. High 51°, low 33°.

Pressure30.33 inHg

Wind10.1 mph NW

Humidity33%

Visibility—

Dew point17°

Fri, 3057° / 32°

57 °

Ottumwa, Friday, 30 October

Clear. High 57°, low 32°.

Pressure30.30 inHg

Wind18.3 mph S

Humidity32%

Visibility—

Dew point19°

Sat, 3156° / 44°

56 °

Ottumwa, Saturday, 31 October

Partly cloudy. High 56°, low 44°.

Pressure30.00 inHg

Wind19.5 mph NW

Humidity31%

Visibility—

Dew point24°

Sun, 0156° / 35°

56 °

Ottumwa, Sunday, 1 November

Partly cloudy. High 56°, low 35°.

Pressure30.15 inHg

Wind10.8 mph E

Humidity38%

Visibility—

Dew point24°

Mon, 0272° / 48°

72 °

Ottumwa, Monday, 2 November

Overcast. High 72°, low 48°.

Pressure29.71 inHg

Wind16.4 mph SW

Humidity31%

Visibility—

Dew point36°

Tue, 0368° / 52°

68 °

Ottumwa, Tuesday, 3 November

Overcast. High 68°, low 52°.

Pressure29.83 inHg

Wind9.6 mph NW

Humidity38%

Visibility—

Dew point36°

Wed, 0464° / 49°

64 °

Ottumwa, Wednesday, 4 November

Mostly clear. High 64°, low 49°.

Pressure30.00 inHg

Wind12.2 mph NW

Humidity39%

Visibility—

Dew point34°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Ottumwa, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Ottumwa, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.