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Now · 10:55 PM

Letts Weather & Hourly Forecast

United States · Iowa · 52754

Partly cloudy night
75°F
Partly cloudy night
Feels like: 76°F
💧 Humidity 78% 🌡 Pressure 29.91 inHg 💨 Wind 18 mph 👁 Visibility 6.2 mi Clouds 38% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:28 AM 🌇 Sunset 7:43 PM

Hourly Forecast for Letts

Today
Partly cloudy night · 11:00 PM Partly cloudy night
75° 💧 0.03 in 💨 18 mph H 78%29.91 inHg
Tomorrow
Light rain · 2:00 AM Light rain
73° 💧 0.02 in 💨 10 mph H 78%29.88 inHg
Light rain · 5:00 AM Light rain
68° 💧 0.03 in 💨 13 mph H 83%29.88 inHg
Light rain · 8:00 AM Light rain
69° 💧 0.02 in 💨 10 mph H 85%29.91 inHg
Light rain · 11:00 AM Light rain
77° 💧 0.01 in 💨 10 mph H 75%29.91 inHg
Overcast · 2:00 PM Overcast
88° 💧 None 💨 12 mph H 49%29.85 inHg
Overcast · 5:00 PM Overcast
89° 💧 None 💨 11 mph H 49%29.80 inHg
Overcast night · 8:00 PM Overcast night
83° 💧 0.02 in 💨 10 mph H 69%29.80 inHg
Overcast night · 11:00 PM Overcast night
77° 💧 0.00 in 💨 12 mph H 68%29.83 inHg
Monday
Light rain · 2:00 AM Light rain
76° 💧 0.02 in 💨 12 mph H 73%29.83 inHg
Light rain · 5:00 AM Light rain
73° 💧 0.06 in 💨 9 mph H 81%29.85 inHg
Light rain · 8:00 AM Light rain
73° 💧 0.01 in 💨 9 mph H 82%29.88 inHg
Overcast · 11:00 AM Overcast
83° 💧 None 💨 7 mph H 68%29.88 inHg
Overcast · 2:00 PM Overcast
92° 💧 None 💨 8 mph H 46%29.85 inHg
Overcast · 5:00 PM Overcast
98° 💧 None 💨 4 mph H 45%29.80 inHg
Overcast night · 8:00 PM Overcast night
84° 💧 None 💨 9 mph H 65%29.77 inHg

In Letts and, more broadly, across the state of Iowa: Tonight, mostly cloudy skies will persist with temperatures remaining mild to warm, ranging from 82 to 84 degrees Fahrenheit. There is a slight chance of rain later in the evening, with the highest probability at 26%. Wind will be coming from the south at speeds up to 15 mph, with gusts reaching 36 mph, which could lead to some breezy conditions. Overall, expect a warm and somewhat unsettled evening, especially if rain develops. Be prepared for the possibility of gusty winds should storms approach.

15-Day Weather Outlook for Letts

TomorrowTomorrow Light rain Light rain 89°/67° 💧 0.10 in 💨 16 mph
Monday, Aug 31Mon Aug 31 Light rain Light rain 98°/70° 💧 0.14 in 💨 13 mph
Tuesday, Sep 1Tue Sep 1 Overcast Overcast 98°/74° 💧 None 💨 14 mph
Wednesday, Sep 2Wed Sep 2 Sunny Sunny 101°/80° 💧 None 💨 15 mph
Thursday, Sep 3Thu Sep 3 Moderate rain Moderate rain 93°/72° 💧 0.14 in 💨 13 mph
Friday, Sep 4Fri Sep 4 Overcast Overcast 91°/74° 💧 None 💨 16 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 93°/72° 💧 0.01 in 💨 9 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 90°/72° 💧 0.07 in 💨 12 mph
Monday, Sep 7Mon Sep 7 Sunny Sunny 81°/59° 💧 None 💨 12 mph
Tuesday, Sep 8Tue Sep 8 Overcast Overcast 86°/61° 💧 None 💨 8 mph
Wednesday, Sep 9Wed Sep 9 Mostly cloudy Mostly cloudy 84°/62° 💧 None 💨 17 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 69°/50° 💧 None 💨 14 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 63°/43° 💧 0.05 in 💨 16 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 75°/53° 💧 0.01 in 💨 16 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 91°/58° 💧 0.03 in 💨 17 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Letts

Vertical axis: °F · Color based on temperature
Partly cloudy night at 11:00 PM
75° Today 11:00 PM
Light rain at 12:00 AM
74° 12:00 AM
Light rain at 1:00 AM
74° 1:00 AM
Light rain at 2:00 AM
73° 2:00 AM
Light rain at 3:00 AM
72° Tomorrow 3:00 AM
Overcast night at 4:00 AM
70° 4:00 AM
Light rain at 5:00 AM
68° 5:00 AM
Light rain at 6:00 AM
68° 6:00 AM
Light rain at 7:00 AM
68° Tomorrow 7:00 AM
Light rain at 8:00 AM
69° 8:00 AM
Light rain at 9:00 AM
72° 9:00 AM
Light rain at 10:00 AM
75° 10:00 AM
Light rain at 11:00 AM
77° Tomorrow 11:00 AM
Light rain at 12:00 PM
81° 12:00 PM
Overcast at 1:00 PM
86° 1:00 PM
Overcast at 2:00 PM
88° 2:00 PM
Overcast at 3:00 PM
89° Tomorrow 3:00 PM
Overcast at 4:00 PM
90° 4:00 PM
Overcast at 5:00 PM
89° 5:00 PM
Mostly cloudy at 6:00 PM
87° 6:00 PM
Mostly cloudy at 7:00 PM
84° Tomorrow 7:00 PM
Overcast night at 8:00 PM
83° 8:00 PM
Light rain at 9:00 PM
80° 9:00 PM
Light rain at 10:00 PM
78° 10:00 PM
Overcast night at 11:00 PM
77° Tomorrow 11:00 PM
Overcast night at 12:00 AM
77° 12:00 AM
Light rain at 1:00 AM
77° 1:00 AM
Light rain at 2:00 AM
76° 2:00 AM
Light rain at 3:00 AM
75° Monday 3:00 AM
Overcast night at 4:00 AM
74° 4:00 AM
Light rain at 5:00 AM
73° 5:00 AM
Light rain at 6:00 AM
71° 6:00 AM
Light rain at 7:00 AM
71° Monday 7:00 AM
Light rain at 8:00 AM
73° 8:00 AM
Light rain at 9:00 AM
77° 9:00 AM
Overcast at 10:00 AM
81° 10:00 AM
Overcast at 11:00 AM
83° Monday 11:00 AM
Overcast at 12:00 PM
86° 12:00 PM
Overcast at 1:00 PM
91° 1:00 PM
Overcast at 2:00 PM
92° 2:00 PM
Overcast at 3:00 PM
95° Monday 3:00 PM
Overcast at 4:00 PM
97° 4:00 PM
Overcast at 5:00 PM
98° 5:00 PM
Overcast at 6:00 PM
93° 6:00 PM
Overcast at 7:00 PM
87° Monday 7:00 PM
Overcast night at 8:00 PM
84° 8:00 PM
Mostly cloudy night at 9:00 PM
82° 9:00 PM
Mostly cloudy night at 10:00 PM
78° 10:00 PM
Mostly cloudy night at 11:00 PM
82° Monday 11:00 PM
Mostly cloudy night at 12:00 AM
84° 12:00 AM
Mostly cloudy night at 1:00 AM
83° 1:00 AM
Clear night at 2:00 AM
81° 2:00 AM
Clear night at 3:00 AM
79° Tuesday 3:00 AM
Mostly clear night at 4:00 AM
76° 4:00 AM
Partly cloudy night at 5:00 AM
77° 5:00 AM
Mostly cloudy night at 6:00 AM
77° 6:00 AM
Mostly cloudy at 7:00 AM
77° Tuesday 7:00 AM
Mostly sunny at 8:00 AM
76° 8:00 AM
Mostly sunny at 9:00 AM
80° 9:00 AM
Mostly sunny at 10:00 AM
85° 10:00 AM
Mostly sunny at 11:00 AM
88° Tuesday 11:00 AM
Partly cloudy at 12:00 PM
92° 12:00 PM
Partly cloudy at 1:00 PM
94° 1:00 PM
Overcast at 2:00 PM
96° 2:00 PM
Overcast at 3:00 PM
98° Tuesday 3:00 PM
Overcast at 4:00 PM
99° 4:00 PM
Mostly cloudy at 5:00 PM
100° 5:00 PM
Mostly cloudy at 6:00 PM
94° 6:00 PM
Mostly cloudy at 7:00 PM
86° Tuesday 7:00 PM
Clear night at 8:00 PM
85° 8:00 PM
Clear night at 9:00 PM
86° 9:00 PM
Clear night at 10:00 PM
83° 10:00 PM
Clear night at 11:00 PM
82° Tuesday 11:00 PM
Clear night at 12:00 AM
83° 12:00 AM
Clear night at 1:00 AM
85° 1:00 AM
Clear night at 2:00 AM
87° 2:00 AM
Clear night at 3:00 AM
87° Wednesday 3:00 AM
Clear night at 4:00 AM
87° 4:00 AM
Clear night at 5:00 AM
87° 5:00 AM
Clear night at 6:00 AM
85° 6:00 AM
Sunny at 7:00 AM
80° Wednesday 7:00 AM
Sunny at 8:00 AM
79° 8:00 AM
Sunny at 9:00 AM
83° 9:00 AM
Sunny at 10:00 AM
86° 10:00 AM
Sunny at 11:00 AM
89° Wednesday 11:00 AM
Mostly sunny at 12:00 PM
92° 12:00 PM
Mostly sunny at 1:00 PM
95° 1:00 PM
Sunny at 2:00 PM
98° 2:00 PM
Partly cloudy at 3:00 PM
101° Wednesday 3:00 PM
Partly cloudy at 4:00 PM
103° 4:00 PM
Mostly sunny at 5:00 PM
101° 5:00 PM
Partly cloudy at 6:00 PM
95° 6:00 PM
Partly cloudy at 7:00 PM
88° Wednesday 7:00 PM
Mostly cloudy night at 8:00 PM
89° 8:00 PM
Mostly cloudy night at 9:00 PM
86° 9:00 PM
Partly cloudy night at 10:00 PM
89° 10:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Letts

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 11:00 PM
PM2.5 Fine particles Good 5,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Letts

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 4,4Moderate 🙂Fair
Tomorrow UV 6,1High 😐Moderate
Monday UV 7,3High 😐Moderate
Tuesday UV 7,6High 😐Moderate
Wednesday UV 8,1Very high 😐Moderate
Thursday UV 7,0High Unavailable
Friday UV 8,0Very high Unavailable
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Letts

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Monday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Monday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Monday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Monday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Monday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Monday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tuesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tuesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tuesday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tuesday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tuesday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tuesday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Wednesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Wednesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Wednesday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Wednesday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Wednesday 7:00 PM 8:00 PM 9:00 PM 10:00 PM
Sustained wind Max gusts
Internal PR simulation: 3.45 Population: 361

Forecast data for Letts were last refreshed today at 10:55 PM. The current forecast period extends through 31/08/2026 at 8:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.