The Mighty Mo Races

Sioux City, IA, USA · September 13, 2026
partly-cloudy-day55°·73° high·Breezy·Dry
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Race Day Weather

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55°at start
76° high
Breezy
Dry

Cool start, warming trend

Runners will face a temperature rise from 55°F at the start to a peak of 74°F. Winds will be light at 10 mph from the S, with occasional gusts up to 22 mph. With humidity at 71% and a dew point of 53°F, pacing adjustments are advised as temperatures climb, especially in the later miles.

Race day forecast available in 95 days
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We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Area Map

Course Map

FAQ

When is the 2026 The Mighty Mo Races?

The 2026 The Mighty Mo Races will be held on Sunday September 13, 2026.

What is the time limit for the The Mighty Mo Races?

The time limit for the The Mighty Mo Races is 6.5 hours.

What will the weather be like for the 2026 The Mighty Mo Races?

The forecast calls for a high of 79°F and a low of 58°F with a 8% chance of rain.

Historical Weather

Based on 1 years of data
Avg Temp
84°F
L:65° H:84°
RunScore
5
Conditions
Rain Freq
0%
0 of 1 yrs
Wind13mph
Dew67°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
clear-night
65°/84°-
8