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Now · 5:51 PM

Dowell Weather & Hourly Forecast

United States · Illinois · 62927

Mostly cloudy
86°F
Mostly cloudy
Feels like: 92°F
💧 Humidity 65% 🌡 Pressure 29.97 inHg 💨 Wind 5 mph 👁 Visibility 19.4 mi Clouds 87% ☀️ UV index 1.4 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Dowell

Today
Mostly cloudy · 6:00 PM Mostly cloudy
86° 💧 None 💨 5 mph H 65%29.97 inHg
Clear night · 9:00 PM Clear night
80° 💧 None 💨 5 mph H 81%30.00 inHg
Tomorrow
Clear night · 12:00 AM Clear night
78° 💧 None 💨 3 mph H 89%30.00 inHg
Light rain · 3:00 AM Light rain
76° 💧 0.293 in 💨 11 mph H 87%30.00 inHg
Light rain · 6:00 AM Light rain
74° 💧 0.084 in 💨 1 mph H 98%29.97 inHg
Thunderstorms · 9:00 AM Thunderstorms
74° 💧 0.190 in 💨 6 mph H 93%30.03 inHg
Overcast · 12:00 PM Overcast
84° 💧 0.006 in 💨 8 mph H 70%29.97 inHg
Light thunderstorms · 3:00 PM Light thunderstorms
86° 💧 0.274 in 💨 7 mph H 66%29.88 inHg
Light rain · 6:00 PM Light rain
76° 💧 0.038 in 💨 1 mph H 96%29.88 inHg
Overcast night · 9:00 PM Overcast night
75° 💧 0.000 in 💨 2 mph H 98%29.91 inHg
Friday
Mostly cloudy night · 12:00 AM Mostly cloudy night
73° 💧 0.027 in 💨 3 mph H 99%29.91 inHg
Light rain · 3:00 AM Light rain
72° 💧 0.019 in 💨 4 mph H 98%29.91 inHg
Overcast night · 6:00 AM Overcast night
71° 💧 0.001 in 💨 3 mph H 100%29.94 inHg
Overcast · 9:00 AM Overcast
74° 💧 0.017 in 💨 5 mph H 92%29.94 inHg
Light rain · 12:00 PM Light rain
79° 💧 0.034 in 💨 3 mph H 77%29.94 inHg
Light rain · 3:00 PM Light rain
82° 💧 0.042 in 💨 4 mph H 72%29.88 inHg

In Dowell and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, expect mostly cloudy skies with temperatures remaining mild to warm, ranging from 70 to 76 degrees Fahrenheit. There may be a slight chance of light rain, with total accumulation around 0.01 inches, and the probability of precipitation peaking at about 58%. Winds will be moderate from the northwest at up to 10 mph, with gusts reaching 24 mph. Overall, conditions will be relatively stable, though a brief shower cannot be entirely ruled out. The evening should bring continued cloud cover and mild temperatures, making for a fairly typical end to the day.

15-Day Weather Outlook for Dowell

TomorrowTomorrow Thunderstorms Thunderstorms 86°/74° 💧 None 💨 11 mph
Friday, Sep 11Fri Sep 11 Light thunderstorms Light thunderstorms 83°/71° 💧 None 💨 5 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 89°/71° 💧 1.031 in 💨 7 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 91°/73° 💧 0.010 in 💨 7 mph
Monday, Sep 14Mon Sep 14 Sunny Sunny 92°/74° 💧 None 💨 9 mph
Tuesday, Sep 15Tue Sep 15 Sunny Sunny 91°/77° 💧 0.003 in 💨 7 mph
Wednesday, Sep 16Wed Sep 16 Partly cloudy Partly cloudy 83°/73° 💧 0.066 in 💨 7 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 83°/72° 💧 0.123 in 💨 10 mph
Friday, Sep 18Fri Sep 18 Light rain Light rain 77°/65° 💧 0.416 in 💨 9 mph
Saturday, Sep 19Sat Sep 19 Mostly sunny Mostly sunny 76°/61° 💧 0.002 in 💨 10 mph
Sunday, Sep 20Sun Sep 20 Mostly cloudy Mostly cloudy 77°/58° 💧 None 💨 9 mph
Monday, Sep 21Mon Sep 21 Mostly sunny Mostly sunny 70°/58° 💧 None 💨 9 mph
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 71°/59° 💧 0.001 in 💨 10 mph
Wednesday, Sep 23Wed Sep 23 Mostly sunny Mostly sunny 71°/53° 💧 None 💨 7 mph
Thursday, Sep 24Thu Sep 24 Partly cloudy Partly cloudy 67°/59° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Dowell

Vertical axis: °F · Color based on temperature
Mostly cloudy at 6:00 PM
86° Today 6:00 PM
Mostly cloudy at 7:00 PM
84° 7:00 PM
Mostly clear night at 8:00 PM
82° 8:00 PM
Clear night at 9:00 PM
80° 9:00 PM
Clear night at 10:00 PM
79° Today 10:00 PM
Clear night at 11:00 PM
78° 11:00 PM
Clear night at 12:00 AM
78° 12:00 AM
Mostly clear night at 1:00 AM
77° 1:00 AM
Mostly clear night at 2:00 AM
78° Tomorrow 2:00 AM
Light rain at 3:00 AM
76° 3:00 AM
Thunderstorms at 4:00 AM
74° 4:00 AM
Light rain at 5:00 AM
74° 5:00 AM
Light rain at 6:00 AM
74° Tomorrow 6:00 AM
Light rain at 7:00 AM
74° 7:00 AM
Light rain at 8:00 AM
74° 8:00 AM
Thunderstorms at 9:00 AM
74° 9:00 AM
Light rain at 10:00 AM
76° Tomorrow 10:00 AM
Mostly cloudy at 11:00 AM
80° 11:00 AM
Overcast at 12:00 PM
84° 12:00 PM
Overcast at 1:00 PM
84° 1:00 PM
Light rain at 2:00 PM
85° Tomorrow 2:00 PM
Light thunderstorms at 3:00 PM
86° 3:00 PM
Thunderstorms at 4:00 PM
77° 4:00 PM
Thunderstorms at 5:00 PM
76° 5:00 PM
Light rain at 6:00 PM
76° Tomorrow 6:00 PM
Overcast at 7:00 PM
76° 7:00 PM
Overcast night at 8:00 PM
75° 8:00 PM
Overcast night at 9:00 PM
75° 9:00 PM
Mostly cloudy night at 10:00 PM
74° Tomorrow 10:00 PM
Mostly cloudy night at 11:00 PM
74° 11:00 PM
Mostly cloudy night at 12:00 AM
73° 12:00 AM
Overcast night at 1:00 AM
73° 1:00 AM
Light rain at 2:00 AM
72° Friday 2:00 AM
Light rain at 3:00 AM
72° 3:00 AM
Overcast night at 4:00 AM
72° 4:00 AM
Overcast night at 5:00 AM
71° 5:00 AM
Overcast night at 6:00 AM
71° Friday 6:00 AM
Overcast at 7:00 AM
72° 7:00 AM
Overcast at 8:00 AM
73° 8:00 AM
Overcast at 9:00 AM
74° 9:00 AM
Light rain at 10:00 AM
75° Friday 10:00 AM
Light rain at 11:00 AM
77° 11:00 AM
Light rain at 12:00 PM
79° 12:00 PM
Light rain at 1:00 PM
81° 1:00 PM
Light rain at 2:00 PM
82° Friday 2:00 PM
Light rain at 3:00 PM
82° 3:00 PM
Light rain at 4:00 PM
83° 4:00 PM
Light rain at 5:00 PM
80° 5:00 PM
Light thunderstorms at 6:00 PM
74° Friday 6:00 PM
Light rain at 7:00 PM
74° 7:00 PM
Clear night at 8:00 PM
73° 8:00 PM
Clear night at 9:00 PM
72° 9:00 PM
Clear night at 10:00 PM
72° Friday 10:00 PM
Clear night at 11:00 PM
72° 11:00 PM
Clear night at 12:00 AM
72° 12:00 AM
Clear night at 1:00 AM
72° 1:00 AM
Clear night at 2:00 AM
72° Saturday 2:00 AM
Clear night at 3:00 AM
71° 3:00 AM
Clear night at 4:00 AM
71° 4:00 AM
Clear night at 5:00 AM
71° 5:00 AM
Clear night at 6:00 AM
71° Saturday 6:00 AM
Sunny at 7:00 AM
71° 7:00 AM
Sunny at 10:00 AM
81° 10:00 AM
Mostly sunny at 1:00 PM
88° 1:00 PM
Mostly sunny at 4:00 PM
89° Saturday 4:00 PM
Sunny at 7:00 PM
82° 7:00 PM
Mostly clear night at 10:00 PM
77° 10:00 PM
Clear night at 1:00 AM
75° 1:00 AM
Clear night at 4:00 AM
73° Sunday 4:00 AM
Mostly sunny at 7:00 AM
73° 7:00 AM
Sunny at 10:00 AM
84° 10:00 AM
Sunny at 1:00 PM
90° 1:00 PM
Mostly sunny at 4:00 PM
91° Sunday 4:00 PM
Sunny at 7:00 PM
84° 7:00 PM
Clear night at 10:00 PM
79° 10:00 PM
Clear night at 1:00 AM
77° 1:00 AM
Clear night at 4:00 AM
75° Monday 4:00 AM
Sunny at 7:00 AM
74° 7:00 AM
Sunny at 10:00 AM
84° 10:00 AM
Sunny at 1:00 PM
91° 1:00 PM
Sunny at 4:00 PM
92° Monday 4:00 PM
Sunny at 7:00 PM
85° 7:00 PM
Clear night at 10:00 PM
80° 10:00 PM
Clear night at 1:00 AM
78° 1:00 AM
Clear night at 4:00 AM
78° Tuesday 4:00 AM
Sunny at 7:00 AM
77° 7:00 AM
Light rain at 1:00 PM
91° 1:00 PM
Partly cloudy at 7:00 PM
81° 7:00 PM
Mostly clear night at 1:00 AM
75° Wednesday 1:00 AM
Overcast at 7:00 AM
73° 7:00 AM
Partly cloudy at 1:00 PM
83° 1:00 PM
Partly cloudy at 7:00 PM
79° 7:00 PM
Mostly clear night at 1:00 AM
74° Thursday 1:00 AM
Sunny at 7:00 AM
72° 7:00 AM
Light rain at 1:00 PM
83° 1:00 PM
Light rain at 7:00 PM
74° 7:00 PM
Clear night at 1:00 AM
68° Friday 1:00 AM
Sunny at 7:00 AM
65° 7:00 AM
Mostly cloudy at 1:00 PM
77° 1:00 PM
Sunny at 7:00 PM
72° 7:00 PM
Mostly clear night at 1:00 AM
65° Saturday 1:00 AM
Mostly sunny at 7:00 AM
61° 7:00 AM
Mostly cloudy at 1:00 PM
76° 1:00 PM
Clear night at 7:00 PM
69° 7:00 PM
Clear night at 1:00 AM
61° Sunday 1:00 AM
Sunny at 7:00 AM
58° 7:00 AM
Mostly cloudy at 1:00 PM
77° 1:00 PM
Mostly clear night at 7:00 PM
70° 7:00 PM
Mostly cloudy night at 1:00 AM
62° Monday 1:00 AM
Partly cloudy at 7:00 AM
58° 7:00 AM
Overcast at 1:00 PM
70° 1:00 PM
Overcast night at 7:00 PM
68° 7:00 PM
Overcast night at 1:00 AM
63° Tuesday 1:00 AM
Overcast at 7:00 AM
59° 7:00 AM
Sunny at 1:00 PM
71° 1:00 PM
Clear night at 7:00 PM
66° 7:00 PM
Clear night at 1:00 AM
58° Wednesday 1:00 AM
Sunny at 7:00 AM
53° 7:00 AM
Mostly sunny at 1:00 PM
71° 1:00 PM
Partly cloudy night at 7:00 PM
67° 7:00 PM
Partly cloudy night at 1:00 AM
59° Thursday 1:00 AM
Overcast at 7:00 AM
60° 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Dowell

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 6:00 PM
PM2.5 Fine particles Good 8,7µg/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 9,4µg/m³

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

O₃ Ozone Fair 68,7µg/m³

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

NO₂ Nitrogen dioxide Good 4,0µg/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 Dowell

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 7,9High 🙂Fair
Tomorrow UV 6,7High 🙂Fair
Friday UV 5,6Moderate 🙂Fair
Saturday UV 7,6High 😐Moderate
Sunday UV 8,0Very high 😐Moderate
Monday UV 9,0Very high Unavailable
Tuesday UV 8,0Very high Unavailable
Hourly UV index today
6:00 PMUV 0,1 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.

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.

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 Dowell

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Friday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Friday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Friday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Friday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Saturday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Saturday 6:00 AM 7:00 AM 10:00 AM 1:00 PM Saturday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Sunday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Sunday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Monday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Monday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Tuesday 4:00 AM 7:00 AM 1:00 PM 7:00 PM Wednesday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Thursday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Friday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Saturday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Sunday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Monday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Tuesday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Wednesday 1:00 AM 7:00 AM 1:00 PM 7:00 PM Thursday 1:00 AM 7:00 AM
Sustained wind Max gusts
NIGHT SKY · DOWELL, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

98/100Best-hour score
BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 8:44 PM–5:04 AM
Cloud cover 2% Real hourly forecast for the best viewing hour.
Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 25° high at the best hour.
Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min50%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Dowell were last refreshed today at 5:51 PM. The current forecast period extends through 11/09/2026 at 3:00 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.