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National Forecast

Tonight Across
the United States.

See where tonight's best astrophotography conditions are across the country, then drill into your region for a closer look.

Tonight's Conditions

United States

Select a region for a closer look at tonight's observing conditions.

Forecast Progression 12:01 AM CDT
Forecast Score Excellent Good Fair Poor
ephemeris.snowflakeskies.com
National Outlook

Excellent Skies in Southwest and Rockies Tonight

Tonight's astrophotography conditions are strongest across the Southwest and Rockies, with cities like San Francisco, Los Angeles, Phoenix, and Salt Lake City scoring near-perfect or perfect. Boise and Billings also offer excellent viewing with minimal cloud cover and no rain. The Southeast offers generally good to excellent conditions, especially in Nashville, Atlanta, and New Orleans, though some cities like Dallas see poorer scores due to cloudiness and rain. The Pacific Northwest shows mixed conditions, with Spokane rated good but Seattle and Portland only fair due to higher cloud cover. The Midwest and Great Plains face the most challenges, with many cities experiencing significant cloud cover, rain, and lower visibility, resulting in poor to fair ratings. The Northeast is mixed, with Boston standing out as excellent while Washington, DC, and others have poorer conditions.

Best Region Tonight Southwest Average score: 95/100

The Southwest leads tonight with consistently excellent scores, including perfect 100 ratings in San Francisco and Boise, and near-perfect conditions in Phoenix and Las Vegas, making it the top choice for astrophotographers.

Top Conditions

Best Tonight

Boise, ID 100 Excellent
San Francisco, CA 100 Excellent
Los Angeles, CA 99 Excellent
Phoenix, AZ 99 Excellent
Las Vegas, NV 98 Excellent