Weather Forecasts, Road Conditions, and Weather Radar for I-90

Road Trip and Weather Conditions About Interstate I-90

Interstate 90 is the longest transcontinental freeway in the United States. Stretching between Seattle, Washington and Boston, Massachusetts, it spans 3,021 miles across 13 states! Highway Weather makes it easy for travelers to understand its intricacies and plan ahead for the wide variety of I-90 closures and Interstate 90 travel conditions. We’re here for you - from state-to-state, at every entrance and exit that awaits.

Weather on I-90

The weather conditions on I-90 vary depending on which state it is passing through and the time of year. In the summer months, I-90 is subject to warm temperatures and humid conditions. Temperatures ranging from the high 70s to the low 90s. Rain is common throughout the summer months, with thunderstorms and occasional showers. In the winter months, I-90 is subject to frigid temperatures and snowfall. Temperatures range from the low teens to the high 30s. Snowfall ranges from light dustings to heavy snowstorms.

The terrain that I-90 traverses can also drastically change the weather conditions. Higher elevations experiencing lower temperatures and more snowfall. Despite the varying weather conditions, I-90 is an important transportation route. It remains open to travelers and commercial vehicles most of the year.

Weather in Washington on I-90

Washington is known for its ever-changing weather, and Interstate I-90 is no exception. During the summer months, temperatures can reach up to 90 degrees. In the winter, temperatures can dip into the 20s and 30s. Rainfall is common throughout the year, with the majority occurring in the winter months. Snowfall is also common in the winter, although not as frequent as in some other parts of the country.

When traveling on I-90, it is important to be aware of the current weather conditions. Fog and low visibility can be an issue in the winter months, and severe thunderstorms can develop quickly in the summer. Flash flooding is also possible in certain areas, so it is important to check the latest weather forecasts before heading out on the highway.

I-90 is a great route to get around Washington and explore the state. Despite the unpredictable weather, it is generally a safe and comfortable drive. With the proper preparation and attention to the weather forecast, drivers can enjoy a safe and pleasant journey on I-90.

Weather in Idaho on I-90

Idaho’s climate varies due to its diverse terrain, which includes mountains, valleys, deserts, and rivers. Interstate I-90 runs east to west across the northern part of the state. Travelers can expect to experience a wide range of weather conditions depending on the time of year.

In the summer months, temperatures along I-90 in Idaho can range from the mid-80s to the high 90s and are usually accompanied by dry conditions. Due to the nearby mountain ranges, thunderstorms can be common and can bring heavy rain and hail. During the winter, temperatures along I-90 in Idaho can drop below freezing. Snow is common in some areas.

No matter the season, travelers along I-90 in Idaho should prepare for changing weather conditions. Clear skies can quickly turn cloudy and bring thunderstorms and hail. Temperatures can rapidly drop at higher elevations.

Weather in Montana on I-90

The weather in Montana on I-90 can vary greatly depending on the season and location. In the winter, travelers on I-90 may experience heavy snowfall and blizzard conditions, especially in the higher elevations. In the spring and summer, I-90 is often the site of thunderstorms, high winds, and hail. The fall months are generally milder, with temperatures ranging from the low 40s to the high 70s.

No matter the season, travelers should be aware of potential hazards. Icy roads, strong winds, and limited visibility due to snow or fog can occur. It is always best to check the forecast and plan accordingly before hitting the road. It is also important to use caution when driving on I-90. The terrain varies widely and can quickly become dangerous for inexperienced drivers.

Weather in Wyoming on I-90

The weather in Wyoming on Interstate I-90 can vary greatly depending on the season. In the summer, temperatures can range from the high 70s to the mid-90s. Occasional thunderstorms may occur that can produce hail and strong winds. In the winter, temperatures can drop to below zero, with heavy snowfall and strong winds. Drivers should take extra precaution during the winter months, as snow and ice can make driving difficult.

Weather in South Dakota on I-90

South Dakota is known for its extreme weather conditions. During the summer months, temperatures can reach well into the 90s. The western half of the state tends to experience more extreme weather than the eastern half. During the winter months, snow and icy conditions are common along Interstate I-90. Temperatures can drop below freezing and snowfall can accumulate, making travel difficult. Blizzards are also a common occurrence, especially during the winter months. Wind chill can also be a factor in the colder months, making it feel even colder than the thermometer reads. Severe thunderstorms and hail can also occur during the summer months.

Weather in Minnesota on I-90

Interstate I-90 is a major east-west highway that runs through the state of Minnesota. As with any state, the weather in Minnesota can vary from season to season, and even from day to day.

In the summer, temperatures can range from the 70s to the 90s, with occasional showers and thunderstorms. The humidity can also be quite high, making it feel even hotter. In the winter, temperatures can drop as low as -30 degrees, with heavy snowfall and strong winds.

In the spring, temperatures can reach the mid-60s and there is often rain, as well as occasional snowstorms. The fall brings cooler temperatures, with highs in the mid-50s and lows in the mid-30s.

The Minnesota Department of Transportation recommends that drivers check forecasts before traveling. Be aware of the potential for rapid changes in the weather.

Weather in Wisconsin on I-90

Interstate 90 (I-90) in Wisconsin is a scenic route that runs through the northern part of the state. This stretch of highway is the longest interstate in the country, spanning across 3,085 miles from Seattle to Boston.

The weather in Wisconsin on I-90 can be quite varied depending on the season. During the winter months, it can be quite cold and snowy. Temperatures can reach below zero and snowfall is common. During these months, it is important to be prepared for icy roads and hazardous driving conditions.

In the spring, temperatures start to warm up and the snow melts away. Rain is common during this time, and it is important to be prepared for changing conditions.

The summer months are typically hot and humid. Temperatures often reach into the 80s and 90s with high humidity. Thunderstorms and severe weather can be common during the summer months, and it is important to keep an eye on the forecast.

Finally, the fall months bring cooler temperatures and changing foliage. Temperatures usually range between the 40s and 60s, and rain is common.

Weather in Illinois on I-90

Illinois' Interstate I-90 can experience a variety of weather conditions throughout the year. In the spring, temperatures can range from the mid-50s to the mid-70s. This time of year also brings frequent rain showers and thunderstorms. During the summer, temperatures can climb into the 90s with high humidity. The region can also experience thunderstorms, tornadoes, and flash flooding during this season.

Fall temperatures range from the mid-50s to the mid-70s. Rain showers and occasional snowfall can occur. Winter temperatures dip into the teens and 20s. Snowfall is common and blizzards are possible. Interstate I-90 can also experience strong winds, fog, and icy roads during this season.

Weather in Indiana on I-90

Interstate I-90 in Indiana is a unique stretch of highway as it experiences a variety of weather conditions throughout the year. During the summer months, temperatures can reach well into the 90s, with high humidity and frequent thunderstorms. In the winter, temperatures can dip into the single digits and snowfall is common. During the spring and fall, temperatures are typically mild, but severe storms can still occur.

Be prepared for the possibility of rain, snow, and other severe weather. Be sure to check for road closures and delays due to weather-related issues.

I-90 in Indiana is also prone to fog and high winds. When driving in these conditions, be sure to reduce your speed. Turn on your headlights, and be aware of other drivers around you.

Weather in Ohio on I-90

Interstate I-90 traverses the northern part of Ohio. It can experience a range of temperatures, precipitation, and other weather conditions.

In the winter, I-90 in Ohio can experience snow, ice, and below-freezing temperatures. Snowfall is typically heaviest in the northern parts of the state and can range from a light dusting of snow to several inches of accumulation. Freezing rain and ice can also be common in the winter, making travel hazardous.

In the spring and summer, I-90 in Ohio can experience periods of heavy rain and thunderstorms. These storms can produce strong winds, hail, and even tornadoes. Temperatures during these months can range from the mid-50s to the mid-80s, depending on the time of year.

The fall is usually mild in Ohio, with temperatures ranging from the high 40s to the low 70s. Precipitation levels tend to decrease, making it a great time of year to explore the state.

No matter what time of year you travel on I-90 in Ohio, it’s important to be prepared for a wide range of weather conditions. Be sure to check the forecast before you go, and plan your trip accordingly.

Weather in Pennsylvania on I-90

Interstate I-90 stretches across the northern part of Pennsylvania. In the winter months, snowstorms are common, with snowfall totals reaching up to 6 inches in some areas. Lake effect snow is also common in the northern part of the state. The spring and summer months bring mild temperatures and occasional thunderstorms. The humidity is often high during this time of year, making it feel hotter than it actually is. In the fall, temperatures start to cool off, and the autumn foliage is beautiful. There is also a chance of severe thunderstorms and hurricanes, although these are not as common as in other parts of the country.

Weather in New York on I-90

Interstate I-90 travels through the entire state of New York. It traverses a variety of landscapes and temperatures.

In the springtime, temperatures can range from the mid-50s to the high-70s. The summer months typically bring higher temperatures, with highs in the mid-80s or higher. Rainfall is usually moderate, with occasional thunderstorms, but it is not uncommon for severe weather to occur.

The autumn months see cooler temperatures, with highs in the mid-60s and lows in the mid-40s. Rainfall is usually higher during this season, and snow can start to accumulate in the northern parts of the state.

Winter temperatures in New York can be quite cold, with highs in the mid-30s and lows in the teens. Snowfall is common, especially in the northern and western parts of the state. Powerful winter storms can occur.

Weather in Massachusetts on I-90

In the summer months, temperatures can range from the mid-60s to the mid-80s. The humidity can be high, making it feel even hotter. Thunderstorms are common in the summer months, and there is the possibility of severe weather, like high winds and hail.

In the winter months, temperatures are usually in the mid-30s to low-40s. Snow is common, and icy conditions can occur. Blizzards are possible, and drivers should be prepared for potentially dangerous conditions.

In the fall and spring months, temperatures are usually in the mid-50s to mid-70s. Rain is common, but there can also be sunny days.

Major Junctions of I-90

In Washington:

• I-90E starts at a major junction with SR-519 in Seattle, Washington.
• I-90 has a major junction with I-5 in Seattle, Washington.
• I-90 has a major junction with I-405 in Bellevue, Washington.
• I-90 has a major junction with I-82 in Ellensburg, Washington.

In Idaho:

• I-90 has a major junction with US-95 in Coeur d'Alene, Idaho.

In Montana:

• I-90 has a major junction with I-15 in Butte, Montana.
• I-90 has a major junction with I-94 near Billings, Montana.

In Wyoming:

• I-90 has a major junction with I-25 in Buffalo, Wyoming.

In South Dakota:

• I-90 has a major junction with I-190 in Rapid City, South Dakota.
• I-90 has major junction with I-29 and I-229 in Sioux Falls, South Dakota.

In Minnesota:

• I-90 has a major junction with I-35 in Albert Lea, Minnesota.

In Wisconsin:

• I-90 has a major junction with I-94 in Tomah, Wisconsin.
• I-90 has a major junction with I-94 in Madison, Wisconsin.
• I-90 has a major junction with I-39 in Portage, Wisconsin.
• I-90 has a major junction with I-43 in Beloit, Wisconsin.

In Illinois:

• I-90 has a major junction with I-39 in Cherry Valley, Illinois.
• I-90 has a major junction with I-290 in Schaumburg, Illinois.
• I-90 has a major junction with I-294 in Rosemont, Illinois.
• I-90 has a major junction with I-190 to O'Hare International Airport near Chicago, Illinois.
• I-90 has major junctions with I-55, I-94, and I-290 in Chicago, Illinois.

In Indiana:

• I-90 has a major junction with I-65 in Gary, Indiana.
• I-90 has major junction with I-80 and I-94 in Lake Station, Indiana.
• I-90 has a major junction with I-69 in Fremont, Indiana.

In Ohio:

• I-90 has a major junction with I-80 in Elyria, Ohio.
• I-90 has a major junction with I-75 in Rossford, Ohio.
• I-90 has a major junction with I-280 in Lake Township, Ohio.
• I-90 has major junctions with I-71, I-77, and I-490 in Cleveland, Ohio.
• I-90 has a major junction with I-271 in Willoughby Hills, Ohio.

In Pennsylvania:

• I-90 has major junctions with I-79 and I-86 near Erie, Pennsylvania.

In New York:

• I-90 has a major junction with I-190 in Buffalo, New York.
• I-90 has a major junction with I-290 in Williamsville, New York.
• I-90 has a major junction with I-490 near Bergen, New York.
• I-90 has a major junction with I-390 near Rochester, New York.
• I-90 has a major junction with I-490 near Victor, New York.
• I-90 has major junctions with I-81, I-481, and I-690 in Syracuse, New York.
• I-90 has a major junction with I-790 in Utica, New York.
• I-90 has a major junction with I-890 near Schenectady, New York.
• I-90 has a major junction with I-88 in Rotterdam, New York.
• I-90 has major junctions with I-87 and I-787 in Albany, New York.

In Massachusetts:

• I-90 has a major junction with I-91 in West Springfield, Massachusetts.
• I-90 has a major junction with I-291 in Chicopee, Massachusetts.
• I-90 has a major junction with I-84 in Sturbridge, Massachusetts.
• I-90 has major junctions with I-290 and I-395 in Auburn, Massachusetts.
• I-90 has a major junction with I-495 in Hopkinton, Massachusetts.
• I-90 has a major junction with I-95 in Weston, Massachusetts.
• I-90 has a major junction with I-93 in Boston, Massachusetts.
• I-90W starts at a major junction with Route 1A/Logan International Airport in Boston, Massachusetts.

This map shows the current & 7-day weather forecast, road conditions, and weather radar for all of US interstate I-90.