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Now · 12:49 PM

Smithton Weather & Hourly Forecast

United States · Illinois · 62285

Mostly cloudy
92°F
Mostly cloudy
Feels like: 97°F
💧 Humidity 48% 🌡 Pressure 30.00 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi Clouds 66% ☀️ UV index 7.5 · High 🌅 Sunrise 6:27 AM 🌇 Sunset 7:33 PM

Hourly Forecast for Smithton

Today
Mostly cloudy · 1:00 PM Mostly cloudy
92° 💧 None 💨 9 mph H 48%30.00 inHg
Partly cloudy · 4:00 PM Partly cloudy
93° 💧 None 💨 9 mph H 37%29.97 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
86° 💧 None 💨 8 mph H 41%29.94 inHg
Mostly cloudy night · 10:00 PM Mostly cloudy night
77° 💧 None 💨 9 mph H 41%29.97 inHg
Tomorrow
Partly cloudy night · 1:00 AM Partly cloudy night
71° 💧 None 💨 10 mph H 47%29.97 inHg
Clear night · 4:00 AM Clear night
70° 💧 None 💨 8 mph H 66%29.97 inHg
Sunny · 7:00 AM Sunny
70° 💧 None 💨 8 mph H 58%30.00 inHg
Mostly sunny · 10:00 AM Mostly sunny
88° 💧 None 💨 11 mph H 42%30.03 inHg
Partly cloudy · 1:00 PM Partly cloudy
96° 💧 None 💨 12 mph H 30%29.97 inHg
Overcast · 4:00 PM Overcast
98° 💧 None 💨 10 mph H 25%29.91 inHg
Overcast · 7:00 PM Overcast
91° 💧 None 💨 8 mph H 39%29.91 inHg
Overcast night · 10:00 PM Overcast night
81° 💧 None 💨 11 mph H 47%29.94 inHg
Tuesday
Partly cloudy night · 1:00 AM Partly cloudy night
78° 💧 None 💨 11 mph H 61%29.94 inHg
Clear night · 4:00 AM Clear night
74° 💧 None 💨 7 mph H 67%29.94 inHg
Sunny · 7:00 AM Sunny
74° 💧 None 💨 7 mph H 67%30.00 inHg
Sunny · 10:00 AM Sunny
89° 💧 None 💨 11 mph H 48%30.03 inHg

In Smithton and, more broadly, across the state of Illinois: The afternoon will feature a mix of sun and clouds, with temperatures ranging from 77 to 84 degrees Fahrenheit. Winds will be coming from the south at around 15 mph, with gusts reaching up to 30 mph. No precipitation is expected today, so outdoor plans should be comfortable and dry. Expect moderate wind speeds throughout the day, which may cause some breezy conditions, especially in the later afternoon. Overall, it will be a pleasant day with mild to warm temperatures and a partly cloudy sky.

15-Day Weather Outlook for Smithton

TomorrowTomorrow Partly cloudy Partly cloudy 99°/69° 💧 None 💨 13 mph
Tuesday, Sep 1Tue Sep 1 Sunny Sunny 101°/74° 💧 None 💨 14 mph
Wednesday, Sep 2Wed Sep 2 Sunny Sunny 101°/75° 💧 None 💨 13 mph
Thursday, Sep 3Thu Sep 3 Sunny Sunny 103°/76° 💧 None 💨 10 mph
Friday, Sep 4Fri Sep 4 Mostly cloudy Mostly cloudy 104°/78° 💧 None 💨 10 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 97°/71° 💧 0.03 in 💨 11 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 87°/65° 💧 None 💨 14 mph
Monday, Sep 7Mon Sep 7 Sunny Sunny 86°/55° 💧 None 💨 10 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 87°/57° 💧 None 💨 8 mph
Wednesday, Sep 9Wed Sep 9 Mostly cloudy Mostly cloudy 92°/61° 💧 None 💨 7 mph
Thursday, Sep 10Thu Sep 10 Sunny Sunny 99°/73° 💧 None 💨 14 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 80°/57° 💧 None 💨 15 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 78°/44° 💧 None 💨 9 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 86°/47° 💧 None 💨 9 mph
Monday, Sep 14Mon Sep 14 Mostly sunny Mostly sunny 94°/55° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Smithton

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

AIR QUALITY FORECAST

Air Quality Forecast for Smithton

Hourly forecast · Updated every 2 hours
Moderate
Nearest forecast value 1:00 PM
PM2.5 Fine particles Good 6,2µg/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 6,5µg/m³

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

O₃ Ozone Moderate 104,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,3µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Smithton

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

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 Smithton

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 1:00 PM 2:00 PM 3:00 PM 4:00 PM Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tuesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tuesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tuesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tuesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tuesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tuesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Wednesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Wednesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Wednesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Wednesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Wednesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Wednesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Thursday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Thursday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Thursday 9:00 AM 10:00 AM 11:00 AM 12:00 PM
Sustained wind Max gusts
Internal PR simulation: 4.02 Population: 3,680

Forecast data for Smithton were last refreshed today at 12:49 PM. The current forecast period extends through 01/09/2026 at 10:00 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.