I-90 Weather & Live Radar

Check I-90 Weather and Live Radar. See 12-hour weather, wind speed, and temperature forecast along the I-90 corridor for trip planning. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.

Updated Aug 21, 3:06 PM CDT · 12 states Clear to Thunderstorms
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I90 Weather Summary

Along I90, expect mostly dry conditions with varying cloud cover from overcast in the Pacific Northwest to mostly clear skies in the northern Midwest. Temperatures will be warm but not extreme, with some locations in Washington and Montana reaching the mid-90s. Winds will generally be moderate, with gusts exceeding 20 mph primarily in Wyoming and parts of South Dakota, which could affect travel comfort. Scattered chances of thunderstorms and light rain are forecasted in Illinois and parts of Wisconsin, with no severe weather or tornadoes reported.

Current I-90 Conditions by State

WashingtonClear
  • Overcast skies dominate most of the day in Tanner and Thorp.
  • Temperatures reach into the low to mid 90s in Cascade Valley and Tyler, with some locations hitting 95 to 97 degrees.
  • Winds remain light with gusts below 20 mph, so no significant wind concerns.
Updated Aug 21, 1:06 PM PDT
Official 511
IdahoClear
  • Clear to partly cloudy skies in Kellogg with temperatures in the upper 80s to low 90s.
  • Winds remain calm with gusts under 20 mph.
Updated Aug 21, 2:06 PM MDT
Official 511
MontanaClear
  • Mostly clear skies in St Regis, Deer Lodge, and Columbus with temperatures climbing into the low to mid 90s.
  • Winds gusting over 20 mph in Pine Haven and Columbus, reaching up to 22 mph, may cause some travel discomfort.
  • Clear skies prevail in Missoula and Churchill with temperatures in the upper 80s to low 90s.
Updated Aug 21, 2:06 PM MDT
Official 511
WyomingPartly Cloudy
  • Strong wind gusts over 20 mph expected in Sleepy Hollow and Big Horn, with gusts up to 25 mph, which could impact driving conditions.
  • Temperatures mostly in the low 90s with clear skies.
Updated Aug 21, 2:06 PM MDT
Official 511
South DakotaClear
  • Clear skies across Murdo, Lyman, and Plankinton with temperatures in the 80s.
  • Winds gusting up to 18 mph in Murdo and Lyman, but generally below 20 mph.
Updated Aug 21, 3:06 PM CDT
Official 511
MinnesotaPartly Cloudy
  • Clear skies expected in Magnolia, Welcome, Stewartville, Money Creek, and Stewartville with temperatures in the 70s to low 80s.
  • Winds gusting up to 17 mph in Stewartville and Magnolia, but no strong wind alerts.
Updated Aug 21, 3:06 PM CDT
Official 511
WisconsinThunderstorms
  • Partly cloudy to mostly cloudy skies in Hustler and Windsor with temperatures in the upper 60s to low 80s.
  • Chance of thunderstorms and light rain in Sharon from morning through afternoon, with gusts up to 23 mph, so be prepared for wet roads and possible delays.
Updated Aug 21, 3:06 PM CDT
Official 511
IllinoisThunderstorms
  • Chance of thunderstorms and light rain in Hanover Park throughout the day with gusts reaching 23 mph, which may cause localized travel disruptions.
Updated Aug 21, 3:06 PM CDT
Official 511
New YorkClear
  • Mostly clear skies in Fredonia, Alden, Victor, Marcellus, Duane Lake, and Chadwicks with temperatures in the 60s to upper 70s.
  • Winds remain light with gusts below 20 mph.
Updated Aug 21, 4:06 PM EDT
Official 511
OhioThunderstorms
  • Clear to partly cloudy skies in Lake Seneca, Clay Center, and Kirtland with temperatures in the 70s to low 80s.
  • Chance of isolated thunderstorms and light rain in Clay Center in the afternoon with gusts up to 17 mph.
Updated Aug 21, 4:06 PM EDT
Official 511
PennsylvaniaClear
  • Clear skies in Cranesville with temperatures in the mid 70s.
  • Winds remain calm with gusts under 20 mph.
Updated Aug 21, 4:06 PM EDT
Official 511
MassachusettsClear
  • Mostly cloudy skies in Chicopee and Upton with temperatures in the upper 60s to low 70s.
  • Winds gusting up to 14 mph, no significant wind concerns.
Updated Aug 21, 4:06 PM EDT
Official 511
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