10-day forecast for Le Mars, IA: 59° to 99°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
71° · 1.22 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 66°0.17
Morning66°feels 67°
Afternoon81°feels 80°
Evening90°feels 89°
Overnight73°feels 74°
90 °
Le Mars, Monday, 10 August
Rain. High 90°, low 66°.
Pressure29.85 inHg
Wind7 mph SE
Humidity38%
Visibility6.2 mi
Dew point60°
Tue, 1199° / 67°0.01
Morning71°feels 72°
Afternoon98°feels 98°
Evening89°feels 89°
Overnight71°feels 71°
99 °
Le Mars, Tuesday, 11 August
Light rain. High 99°, low 67°.
Pressure29.74 inHg
Wind11.3 mph NE
Humidity34%
Visibility6.2 mi
Dew point61°
Wed, 1293° / 67°0.19
Morning68°feels 69°
Afternoon91°feels 90°
Evening86°feels 83°
Overnight72°feels 73°
93 °
Le Mars, Wednesday, 12 August
Rain. High 93°, low 67°.
Pressure29.85 inHg
Wind13.5 mph E
Humidity40%
Visibility6.2 mi
Dew point59°
Thu, 1371° / 59°1.22
Morning66°feels 66°
Afternoon66°feels 66°
Evening61°feels 61°
Overnight69°feels 69°
71 °
Le Mars, Thursday, 13 August
Heavy rain. High 71°, low 59°.
Pressure30.03 inHg
Wind15.6 mph NE
Humidity69%
Visibility—
Dew point57°
Fri, 1465° / 60°0.35
Morning62°feels 62°
Afternoon64°feels 65°
Evening62°feels 63°
Overnight62°feels 62°
65 °
Le Mars, Friday, 14 August
Rain. High 65°, low 60°.
Pressure30.12 inHg
Wind13.6 mph E
Humidity89%
Visibility—
Dew point61°
Sat, 1573° / 60°0
Morning62°feels 62°
Afternoon67°feels 68°
Evening71°feels 72°
Overnight68°feels 68°
73 °
Le Mars, Saturday, 15 August
Overcast. High 73°, low 60°.
Pressure30.15 inHg
Wind8.8 mph SE
Humidity86%
Visibility—
Dew point61°
Sun, 1683° / 65°0
Morning70°feels 71°
Afternoon80°feels 82°
Evening78°feels 81°
Overnight69°feels 70°
83 °
Le Mars, Sunday, 16 August
Overcast. High 83°, low 65°.
Pressure30.15 inHg
Wind6.4 mph SW
Humidity61%
Visibility—
Dew point64°
Mon, 1789° / 65°0
Morning71°feels 71°
Afternoon85°feels 86°
Evening82°feels 84°
Overnight73°feels 74°
89 °
Le Mars, Monday, 17 August
Mostly clear. High 89°, low 65°.
Pressure30.03 inHg
Wind11.3 mph S
Humidity50%
Visibility—
Dew point62°
Tue, 1897° / 67°0
Morning74°feels 75°
Afternoon91°feels 95°
Evening90°feels 95°
Overnight80°feels 80°
97 °
Le Mars, Tuesday, 18 August
Partly cloudy. High 97°, low 67°.
Pressure29.80 inHg
Wind13.6 mph S
Humidity48%
Visibility—
Dew point65°
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 Le Mars, IA 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.