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As of 14:29 CDT

Weather in Lewis, IA

81°Current weather

Lewis, Saturday, 8 August, 14:29

Clear. Feels like 82°. High 81°, low 63°.

Pressure29.97 inHg
Wind6.2 mph SE
Humidity55%
Visibility6.2 mi
Dew point64°
Sun, 0996° / 73°0.01Light rain
96 °Light rain

Lewis, Sunday, 9 August

Light rain. High 96°, low 73°.

Pressure29.74 inHg
Wind13.1 mph SW
Humidity56%
Visibility6.2 mi
Dew point70°
Mon, 1090° / 72°0.02Light rain
90 °Light rain

Lewis, Monday, 10 August

Light rain. High 90°, low 72°.

Pressure29.83 inHg
Wind4.9 mph SE
Humidity58%
Visibility6.2 mi
Dew point67°
Tue, 1192° / 69°0Partly cloudy
92 °Partly cloudy

Lewis, Tuesday, 11 August

Partly cloudy. High 92°, low 69°.

Pressure29.77 inHg
Wind7.9 mph W
Humidity53%
Visibility6.2 mi
Dew point67°
Wed, 1289° / 69°0.13Light rain
89 °Light rain

Lewis, Wednesday, 12 August

Light rain. High 89°, low 69°.

Pressure29.83 inHg
Wind11.4 mph SE
Humidity64%
Visibility6.2 mi
Dew point72°
Thu, 1377° / 66°0.47Rain
77 °Rain

Lewis, Thursday, 13 August

Rain. High 77°, low 66°.

Pressure29.94 inHg
Wind14 mph NE
Humidity82%
Visibility—
Dew point67°
Fri, 1477° / 58°0Overcast
77 °Overcast

Lewis, Friday, 14 August

Overcast. High 77°, low 58°.

Pressure30.18 inHg
Wind8.5 mph SE
Humidity49%
Visibility—
Dew point53°
Sat, 1577° / 57°0Overcast
77 °Overcast

Lewis, Saturday, 15 August

Overcast. High 77°, low 57°.

Pressure30.18 inHg
Wind13.8 mph SE
Humidity62%
Visibility—
Dew point61°
Sun, 1685° / 65°0Overcast
85 °Overcast

Lewis, Sunday, 16 August

Overcast. High 85°, low 65°.

Pressure30.03 inHg
Wind10.9 mph SE
Humidity80%
Visibility—
Dew point69°
Mon, 1792° / 69°0.66Heavy rain
92 °Heavy rain

Lewis, Monday, 17 August

Heavy rain. High 92°, low 69°.

Pressure29.97 inHg
Wind14.8 mph SE
Humidity59%
Visibility—
Dew point70°
Tue, 1886° / 65°0Overcast
86 °Overcast

Lewis, Tuesday, 18 August

Overcast. High 86°, low 65°.

Pressure30.00 inHg
Wind8.3 mph S
Humidity63%
Visibility—
Dew point66°
Wed, 1990° / 69°0.15Rain
90 °Rain

Lewis, Wednesday, 19 August

Rain. High 90°, low 69°.

Pressure29.85 inHg
Wind20.2 mph NE
Humidity55%
Visibility—
Dew point68°
Thu, 2081° / 63°0.04Light rain
81 °Light rain

Lewis, Thursday, 20 August

Light rain. High 81°, low 63°.

Pressure29.97 inHg
Wind13.3 mph E
Humidity61%
Visibility—
Dew point62°
Fri, 2184° / 64°0Mostly clear
84 °Mostly clear

Lewis, Friday, 21 August

Mostly clear. High 84°, low 64°.

Pressure29.97 inHg
Wind8.1 mph S
Humidity46%
Visibility—
Dew point57°
Sat, 2285° / 65°0.02Light rain
85 °Light rain

Lewis, Saturday, 22 August

Light rain. High 85°, low 65°.

Pressure29.91 inHg
Wind15.8 mph NE
Humidity54%
Visibility—
Dew point64°
Sun, 2374° / 53°0Mostly clear
74 °Mostly clear

Lewis, Sunday, 23 August

Mostly clear. High 74°, low 53°.

Pressure30.18 inHg
Wind13.6 mph E
Humidity45%
Visibility—
Dew point46°

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 Lewis, IA 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 Lewis, IA 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.