10-day forecast for Myrtle, IL: 55° to 85°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Monday, August 17
85° · 0.62 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 63°0.62
Morning70°feels 71°
Afternoon77°feels 79°
Evening81°feels 86°
Overnight66°feels 66°
85 °
Myrtle, Sunday, 9 August
Heavy rain. High 85°, low 63°.
Pressure29.88 inHg
Wind14.4 mph SE
Humidity95%
Visibility6.2 mi
Dew point69°
Mon, 1084° / 70°0.04
Morning70°feels 71°
Afternoon82°feels 88°
Evening77°feels 79°
Overnight75°feels 76°
84 °
Myrtle, Monday, 10 August
Light rain. High 84°, low 70°.
Pressure29.88 inHg
Wind9.4 mph S
Humidity69%
Visibility6.2 mi
Dew point73°
Tue, 1185° / 70°0.26
Morning73°feels 74°
Afternoon85°feels 92°
Evening73°feels 75°
Overnight72°feels 73°
85 °
Myrtle, Tuesday, 11 August
Rain. High 85°, low 70°.
Pressure29.80 inHg
Wind7 mph W
Humidity74%
Visibility6.2 mi
Dew point73°
Wed, 1282° / 65°0.02
Morning68°feels 69°
Afternoon82°feels 86°
Evening77°feels 78°
Overnight67°feels 68°
82 °
Myrtle, Wednesday, 12 August
Light rain. High 82°, low 65°.
Pressure29.88 inHg
Wind1.3 mph NE
Humidity76%
Visibility6.2 mi
Dew point70°
Thu, 1369° / 60°0.05
Morning63°feels 64°
Afternoon68°feels 69°
Evening66°feels 67°
Overnight60°feels 61°
69 °
Myrtle, Thursday, 13 August
Light rain. High 69°, low 60°.
Pressure29.97 inHg
Wind11.6 mph E
Humidity79%
Visibility—
Dew point61°
Fri, 1473° / 55°0
Morning61°feels 60°
Afternoon72°feels 71°
Evening68°feels 67°
Overnight59°feels 58°
73 °
Myrtle, Friday, 14 August
Clear. High 73°, low 55°.
Pressure30.21 inHg
Wind5.5 mph NE
Humidity59%
Visibility—
Dew point55°
Sat, 1574° / 55°0
Morning61°feels 61°
Afternoon72°feels 72°
Evening67°feels 67°
Overnight60°feels 60°
74 °
Myrtle, Saturday, 15 August
Overcast. High 74°, low 55°.
Pressure30.30 inHg
Wind8.2 mph S
Humidity59%
Visibility—
Dew point56°
Sun, 1677° / 57°0
Morning62°feels 62°
Afternoon74°feels 75°
Evening72°feels 72°
Overnight67°feels 68°
77 °
Myrtle, Sunday, 16 August
Overcast. High 77°, low 57°.
Pressure30.15 inHg
Wind11.6 mph S
Humidity65%
Visibility—
Dew point60°
Mon, 1781° / 65°0.01
Morning72°feels 72°
Afternoon79°feels 79°
Evening76°feels 78°
Overnight73°feels 74°
81 °
Myrtle, Monday, 17 August
Light rain. High 81°, low 65°.
Pressure29.97 inHg
Wind7.7 mph S
Humidity77%
Visibility—
Dew point70°
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 Myrtle, 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.