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Now · 11:27 AM

Smithville Weather & Hourly Forecast

United States · Illinois · 61536

Sunny
90°F
Sunny
Feels like: 99°F
💧 Humidity 57% 🌡 Pressure 29.94 inHg 💨 Wind 11 mph 👁 Visibility 6.2 mi Clouds 0% ☀️ UV index 6.0 · High 🌅 Sunrise 6:28 AM 🌇 Sunset 7:29 PM

Hourly Forecast for Smithville

Today
Sunny · 12:00 PM Sunny
90° 💧 None 💨 11 mph H 57%29.94 inHg
Sunny · 3:00 PM Sunny
96° 💧 None 💨 8 mph H 46%29.88 inHg
Mostly sunny · 6:00 PM Mostly sunny
94° 💧 None 💨 11 mph H 51%29.85 inHg
Mostly clear night · 9:00 PM Mostly clear night
84° 💧 None 💨 12 mph H 47%29.85 inHg
Tomorrow
Clear night · 12:00 AM Clear night
82° 💧 None 💨 10 mph H 53%29.85 inHg
Mostly clear night · 3:00 AM Mostly clear night
79° 💧 None 💨 9 mph H 58%29.85 inHg
Clear night · 6:00 AM Clear night
77° 💧 None 💨 8 mph H 60%29.85 inHg
Light rain · 9:00 AM Light rain
83° 💧 0.02 in 💨 7 mph H 62%29.91 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
91° 💧 None 💨 6 mph H 50%29.91 inHg
Mostly cloudy · 3:00 PM Mostly cloudy
98° 💧 None 💨 6 mph H 40%29.85 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
96° 💧 None 💨 2 mph H 47%29.83 inHg
Partly cloudy night · 9:00 PM Partly cloudy night
84° 💧 None 💨 9 mph H 53%29.83 inHg
Saturday
Mostly cloudy night · 12:00 AM Mostly cloudy night
80° 💧 None 💨 7 mph H 49%29.85 inHg
Mostly clear night · 3:00 AM Mostly clear night
78° 💧 0.01 in 💨 5 mph H 59%29.85 inHg
Partly cloudy night · 6:00 AM Partly cloudy night
75° 💧 0.01 in 💨 4 mph H 65%29.85 inHg
Sunny · 9:00 AM Sunny
80° 💧 None 💨 4 mph H 65%29.88 inHg

In Smithville and, more broadly, across the state of Illinois: The rest of the day will feature clear skies with hot temperatures ranging from 81 to 93 degrees Fahrenheit. Expect calm conditions early on, but winds will pick up slightly in the afternoon, coming from the south at speeds up to 10 mph, with gusts reaching 22 mph. Overall, it will remain dry and sunny, making for a warm day. Outdoor activities should be planned accordingly to stay comfortable and hydrated in the heat. No rain is anticipated, so the weather will be stable and dry throughout the afternoon.

15-Day Weather Outlook for Smithville

TomorrowTomorrow Light rain Light rain 100°/77° 💧 0.02 in 💨 10 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 93°/74° 💧 0.01 in 💨 13 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 81°/66° 💧 None 💨 12 mph
Monday, Sep 7Mon Sep 7 Mostly cloudy Mostly cloudy 75°/61° 💧 None 💨 11 mph
Tuesday, Sep 8Tue Sep 8 Overcast Overcast 92°/66° 💧 None 💨 15 mph
Wednesday, Sep 9Wed Sep 9 Partly cloudy Partly cloudy 103°/77° 💧 None 💨 13 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 97°/77° 💧 None 💨 9 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 96°/72° 💧 0.06 in 💨 11 mph
Saturday, Sep 12Sat Sep 12 Mostly sunny Mostly sunny 94°/76° 💧 None 💨 11 mph
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 96°/69° 💧 0.58 in 💨 18 mph
Monday, Sep 14Mon Sep 14 Light rain Light rain 78°/59° 💧 0.04 in 💨 10 mph
Tuesday, Sep 15Tue Sep 15 Mostly sunny Mostly sunny 90°/61° 💧 None 💨 18 mph
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 97°/72° 💧 0.02 in 💨 17 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 86°/66° 💧 0.17 in 💨 13 mph
Friday, Sep 18Fri Sep 18 Light rain Light rain 65°/57° 💧 0.19 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Smithville

Vertical axis: °F · Color based on temperature
Sunny at 12:00 PM
90° Today 12:00 PM
Sunny at 1:00 PM
91° 1:00 PM
Sunny at 2:00 PM
94° 2:00 PM
Sunny at 3:00 PM
96° 3:00 PM
Mostly sunny at 4:00 PM
97° Today 4:00 PM
Mostly sunny at 5:00 PM
97° 5:00 PM
Mostly sunny at 6:00 PM
94° 6:00 PM
Mostly sunny at 7:00 PM
87° 7:00 PM
Clear night at 8:00 PM
84° Today 8:00 PM
Mostly clear night at 9:00 PM
84° 9:00 PM
Mostly clear night at 10:00 PM
84° 10:00 PM
Mostly clear night at 11:00 PM
83° 11:00 PM
Clear night at 12:00 AM
82° Tomorrow 12:00 AM
Clear night at 1:00 AM
80° 1:00 AM
Mostly clear night at 2:00 AM
79° 2:00 AM
Mostly clear night at 3:00 AM
79° 3:00 AM
Mostly clear night at 4:00 AM
78° Tomorrow 4:00 AM
Clear night at 5:00 AM
78° 5:00 AM
Clear night at 6:00 AM
77° 6:00 AM
Sunny at 7:00 AM
78° 7:00 AM
Mostly cloudy at 8:00 AM
80° Tomorrow 8:00 AM
Light rain at 9:00 AM
83° 9:00 AM
Light rain at 10:00 AM
85° 10:00 AM
Mostly cloudy at 11:00 AM
88° 11:00 AM
Mostly cloudy at 12:00 PM
91° Tomorrow 12:00 PM
Partly cloudy at 1:00 PM
94° 1:00 PM
Partly cloudy at 2:00 PM
96° 2:00 PM
Mostly cloudy at 3:00 PM
98° 3:00 PM
Mostly cloudy at 4:00 PM
99° Tomorrow 4:00 PM
Mostly cloudy at 5:00 PM
100° 5:00 PM
Mostly cloudy at 6:00 PM
96° 6:00 PM
Mostly cloudy at 7:00 PM
89° 7:00 PM
Mostly cloudy night at 8:00 PM
86° Tomorrow 8:00 PM
Partly cloudy night at 9:00 PM
84° 9:00 PM
Partly cloudy night at 10:00 PM
82° 10:00 PM
Partly cloudy night at 11:00 PM
81° 11:00 PM
Mostly cloudy night at 12:00 AM
80° Saturday 12:00 AM
Mostly cloudy night at 1:00 AM
78° 1:00 AM
Mostly clear night at 2:00 AM
78° 2:00 AM
Mostly clear night at 3:00 AM
78° 3:00 AM
Mostly clear night at 4:00 AM
77° Saturday 4:00 AM
Light rain at 5:00 AM
76° 5:00 AM
Partly cloudy night at 6:00 AM
75° 6:00 AM
Light rain at 7:00 AM
73° 7:00 AM
Sunny at 8:00 AM
75° Saturday 8:00 AM
Sunny at 9:00 AM
80° 9:00 AM
Sunny at 10:00 AM
84° 10:00 AM
Sunny at 11:00 AM
87° 11:00 AM
Sunny at 12:00 PM
90° Saturday 12:00 PM
Sunny at 1:00 PM
92° 1:00 PM
Sunny at 2:00 PM
93° 2:00 PM
Sunny at 3:00 PM
93° 3:00 PM
Sunny at 4:00 PM
93° Saturday 4:00 PM
Sunny at 5:00 PM
92° 5:00 PM
Sunny at 6:00 PM
88° 6:00 PM
Sunny at 7:00 PM
83° 7:00 PM
Clear night at 8:00 PM
80° Saturday 8:00 PM
Clear night at 9:00 PM
79° 9:00 PM
Clear night at 10:00 PM
77° 10:00 PM
Clear night at 11:00 PM
74° 11:00 PM
Clear night at 12:00 AM
72° Sunday 12:00 AM
Clear night at 1:00 AM
70° 1:00 AM
Clear night at 2:00 AM
68° 2:00 AM
Clear night at 3:00 AM
68° 3:00 AM
Clear night at 4:00 AM
67° Sunday 4:00 AM
Mostly clear night at 5:00 AM
67° 5:00 AM
Mostly clear night at 6:00 AM
67° 6:00 AM
Mostly sunny at 7:00 AM
68° 7:00 AM
Mostly sunny at 8:00 AM
71° Sunday 8:00 AM
Mostly sunny at 9:00 AM
75° 9:00 AM
Sunny at 10:00 AM
79° 10:00 AM
Sunny at 11:00 AM
81° 11:00 AM
Sunny at 12:00 PM
83° Sunday 12:00 PM
Sunny at 1:00 PM
84° 1:00 PM
Sunny at 2:00 PM
84° 2:00 PM
Sunny at 3:00 PM
84° 3:00 PM
Sunny at 4:00 PM
84° Sunday 4:00 PM
Mostly sunny at 5:00 PM
82° 5:00 PM
Mostly sunny at 6:00 PM
80° 6:00 PM
Mostly sunny at 7:00 PM
75° 7:00 PM
Clear night at 8:00 PM
72° Sunday 8:00 PM
Clear night at 9:00 PM
69° 9:00 PM
Clear night at 10:00 PM
67° 10:00 PM
Clear night at 11:00 PM
65° 11:00 PM
Clear night at 12:00 AM
64° Monday 12:00 AM
Clear night at 1:00 AM
63° 1:00 AM
Mostly clear night at 2:00 AM
62° 2:00 AM
Mostly clear night at 3:00 AM
62° 3:00 AM
Partly cloudy night at 4:00 AM
64° Monday 4:00 AM
Mostly cloudy night at 5:00 AM
62° 5:00 AM
Mostly cloudy night at 6:00 AM
61° 6:00 AM
Partly cloudy at 7:00 AM
62° 7:00 AM
Mostly cloudy at 8:00 AM
66° Monday 8:00 AM
Mostly cloudy at 9:00 AM
68° 9:00 AM
Partly cloudy at 10:00 AM
73° 10:00 AM
Partly cloudy at 11:00 AM
76° 11:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Smithville

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 12:00 PM
PM2.5 Fine particles Good 3,7µg/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 4,1µg/m³

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

O₃ Ozone Fair 74,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 Smithville

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 8,2Very high 🙂Fair
Tomorrow UV 7,9High 🙂Fair
Saturday UV 7,4High 🙂Fair
Sunday UV 7,6High 🙂Fair
Monday UV 7,0High 🙂Fair
Tuesday UV 8,0Very high Unavailable
Wednesday UV 8,0Very high Unavailable
Hourly UV index today
12:00 PMUV 7,6 1:00 PMUV 8,2 2:00 PMUV 7,5 3:00 PMUV 5,5 4:00 PMUV 3,6 5:00 PMUV 1,8 6:00 PMUV 0,5 7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Smithville

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 12:00 PM 1:00 PM 2:00 PM 3:00 PM Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Saturday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Saturday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Saturday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Saturday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Saturday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Saturday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM
Sustained wind Max gusts
Internal PR simulation: 3.38 Population: 44

Forecast data for Smithville were last refreshed today at 11:27 AM. The current forecast period extends through 05/09/2026 at 9:00 AM. 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.