10-day forecast for Prophetstown, IL: 59° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
64° · 0.06 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0989° / 64°0
Morning72°feels 73°
Afternoon86°feels 98°
Evening83°feels 92°
Overnight67°feels 68°
89 °
Prophetstown, Sunday, 9 August
Overcast. High 89°, low 64°.
Pressure29.85 inHg
Wind11.1 mph S
Humidity83%
Visibility6.2 mi
Dew point76°
Mon, 1087° / 72°0.01
Morning74°feels 75°
Afternoon84°feels 92°
Evening78°feels 80°
Overnight76°feels 77°
87 °
Prophetstown, Monday, 10 August
Light rain. High 87°, low 72°.
Pressure29.88 inHg
Wind5.7 mph S
Humidity78%
Visibility6.2 mi
Dew point74°
Tue, 1188° / 72°0.01
Morning76°feels 77°
Afternoon87°feels 95°
Evening80°feels 80°
Overnight73°feels 74°
88 °
Prophetstown, Tuesday, 11 August
Light rain. High 88°, low 72°.
Pressure29.77 inHg
Wind11.1 mph SW
Humidity71%
Visibility6.2 mi
Dew point74°
Wed, 1279° / 68°0.03
Morning73°feels 74°
Afternoon79°feels 79°
Evening73°feels 73°
Overnight71°feels 73°
79 °
Prophetstown, Wednesday, 12 August
Light rain. High 79°, low 68°.
Pressure29.88 inHg
Wind6.7 mph N
Humidity86%
Visibility6.2 mi
Dew point73°
Thu, 1374° / 61°0.07
Morning65°feels 65°
Afternoon72°feels 73°
Evening66°feels 66°
Overnight62°feels 63°
74 °
Prophetstown, Thursday, 13 August
Light rain. High 74°, low 61°.
Pressure30.00 inHg
Wind6.8 mph E
Humidity80%
Visibility—
Dew point65°
Fri, 1476° / 59°0
Morning64°feels 64°
Afternoon74°feels 75°
Evening70°feels 71°
Overnight65°feels 65°
76 °
Prophetstown, Friday, 14 August
Overcast. High 76°, low 59°.
Pressure30.12 inHg
Wind7.2 mph E
Humidity62%
Visibility—
Dew point59°
Sat, 1564° / 60°0.06
Morning62°feels 61°
Afternoon60°feels 60°
Evening61°feels 61°
Overnight61°feels 60°
64 °
Prophetstown, Saturday, 15 August
Light rain. High 64°, low 60°.
Pressure30.30 inHg
Wind8 mph E
Humidity97%
Visibility—
Dew point60°
Sun, 1675° / 60°0
Morning64°feels 63°
Afternoon71°feels 71°
Evening71°feels 72°
Overnight65°feels 65°
75 °
Prophetstown, Sunday, 16 August
Overcast. High 75°, low 60°.
Pressure30.15 inHg
Wind6.5 mph E
Humidity73%
Visibility—
Dew point60°
Mon, 1780° / 64°0.02
Morning68°feels 69°
Afternoon77°feels 78°
Evening75°feels 76°
Overnight67°feels 68°
80 °
Prophetstown, Monday, 17 August
Light rain. High 80°, low 64°.
Pressure30.06 inHg
Wind5.9 mph SE
Humidity75%
Visibility—
Dew point67°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Prophetstown, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.