I-45 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the I-45 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.
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Along I-45 in Texas, expect scattered thunderstorms with light rain early near Galveston. The rest of the route will see mostly cloudy to overcast skies with no significant precipitation. Temperatures will be hot, with heat indices reaching above 99°F in several areas. Winds will generally be light, with gusts staying below 20 mph except for a brief period near Normangee and India where gusts may reach 21-22 mph.
