Location: Hemet and San Jacinto, CA Alert: A(n) Residential No Burn has been called for Sun 12/21/2025. Health Tip: None Feed Last Updated: Sun, 21 Dec 2025 10:22:37 PST

Location: Lake Elsinore, CA Alert: A(n) Residential No Burn has been called for Sun 12/21/2025. Health Tip: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors Feed Last Updated: Sun, 21 Dec 2025 10:22:37 PST

PAGER - GREEN ShakeMap - IVTime2025-12-21 17:53:56 UTC2025-12-21 17:53:56 UTC at epicenterLocation8.332°N 127.661°EDepth10.00 km (6.21 mi)

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1046 AM CST Sun Dec 21 2025 Valid 221200Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast on Monday. ...Synopsis and Discussion... Minimal thunderstorm potential remains evident across much of the CONUS on Monday, as upper-level ridging is maintained over the central U.S. One exception may be across parts of coastal WA/OR as a mid-level shortwave trough progresses eastward from the eastern Pacific into British Columbia and the Pacific Northwest through Monday afternoon/evening. Even though daytime heating and low-level moisture are forecast to remain limited, cool temperatures aloft and weak MUCAPE associated with the shortwave trough may support occasional lightning flashes with low-topped convection moving inland along the immediate WA/OR Coast. A plume of mid-level moisture and associated precipitation will impact parts of northern/central CA through the period, although warmer mid-level temperatures compared to locations farther north and negligible forecast instability suggest little potential for lightning. Elsewhere, very weak forcing aloft should limit thunderstorm potential across coastal TX to the central Gulf Coast, even as low-level moisture gradually increases across these areas. ..Gleason.. 12/21/2025 Read more

SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1032 AM CST Sun Dec 21 2025 Valid 211700Z - 221200Z ...NO CRITICAL AREAS... .Southern and Central Plains... Surface high pressure translating eastward into the OH River Valley along with a deepening surface trough across the Northern Rockies will initiate return southerly flow across much of the central Plains. Although the landscape remains dry, the considerably cooler, post-frontal air mass has temporarily moderated fuels across much of the southern and central Plains. In addition, limited afternoon RH reductions across the region will mitigate the overall fire weather threat amid sustained south winds of 10-15 mph. ..Williams.. 12/21/2025 .PREV DISCUSSION... /ISSUED 0131 AM CST Sun Dec 21 2025/ ...Synopsis... Upper ridging will build over the CONUS, resulting in surface high pressure overspreading the eastern CONUS as a surface trough becomes established over the Plains today. Relatively cool and/or moist conditions will prevail over most locales east of the Rockies, limiting the potential for significant wildfire spread. ...Please see www.spc.noaa.gov/fire for graphic product... Read more

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0957 AM CST Sun Dec 21 2025 Valid 211630Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today. Thunderstorm potential will be limited across the CONUS. Strong onshore flow and cold temperatures aloft will pose a risk of a few lightning flashes today and tonight over portions of the WA/OR coast and parts of northern CA. Low-level warm advection and an approaching cold front could result in isolated thunderstorms this afternoon over parts of southern LA/MS, and late tonight over south TX. No severe storms are anticipated today. ..Hart/Karstens.. 12/21/2025 Read more

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0957 AM CST Sun Dec 21 2025 Valid 211630Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today. Thunderstorm potential will be limited across the CONUS. Strong onshore flow and cold temperatures aloft will pose a risk of a few lightning flashes today and tonight over portions of the WA/OR coast and parts of northern CA. Low-level warm advection and an approaching cold front could result in isolated thunderstorms this afternoon over parts of southern LA/MS, and late tonight over south TX. No severe storms are anticipated today. ..Hart/Karstens.. 12/21/2025 Read more

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 AM CST Sun Dec 21 2025 Valid 211300Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today. ...Discussion... A progressive/zonal upper-flow pattern will continue over the CONUS. A low-amplitude shortwave trough will move inland across the Pacific Northwest by tonight. Weak buoyancy and cooling temperatures aloft may become sufficient for isolated lightning flashes, particularly near the Washington coast. Farther south, a moisture-rich plume and a marginally favorable thermodynamic environment may allow for some lighting flashes across northern California. Elsewhere, a relatively moist airmass near/south of a southward-moving front, along with continued weak warm/moist advection, will probably be conducive for isolated thunderstorms mainly across southern portions of Louisiana and Mississippi today. ..Guyer/Marsh.. 12/21/2025 Read more

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Here’s the official National Weather Service (NWS) forecast for ZIP code 15767 (Punxsutawney, PA) from the NWS Pittsburgh Weather Forecast Office: 📍 Today (Dec 21, 2025) Partly sunny with a high near....

Pittsburgh PA Today Sunny, with a high near 35. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Tonight Clear, with a low around 19. Northwest wind around 5 mph becoming calm in the...

Time2025-12-21 13:12:48 UTC2025-12-21 13:12:48 UTC at epicenterLocation61.983°S 161.418°EDepth10.00 km (6.21 mi)

Location: SW Coastal LA, CA Alert: A(n) Residential No Burn has been called for Sun 12/21/2025. Health Tip: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors Feed Last Updated: Sun, 21 Dec 2025 04:22:43 PST

Time2025-12-21 09:57:17 UTC2025-12-21 09:57:17 UTC at epicenterLocation43.785°N 127.769°WDepth10.00 km (6.21 mi)

SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0209 AM CST Sun Dec 21 2025 Valid 231200Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States on Tuesday or Tuesday night. ...Synopsis... A dominant mid- to upper-level ridge will remain steadfast across central portion of the Lower 48 states. An upper trough will encroach on the West Coast, and a lead mid-level trough will move quickly northeast from the eastern Pacific into the northern CA coastal area late Tuesday night. Scant to weak buoyancy will gradually develop Tuesday night in the vicinity of the CA coast and coastal range from near Point Conception to near the OR border. Scattered showers and isolated thunderstorms will gradually spread inland concurrent with increasing large-scale forcing and instability. Some forecast soundings depict a deep, lower-tropospheric moist layer co-located with intense low-level shear, which could imply storm organization being possible with the strongest low-topped storms. Uncertainty is high at this time for such a scenario given appreciable model variability. Farther east, a weak upper trough near the lower Rio Grande Valley will undercut a mid- to upper-level ridge over the central US. Weak convection is possible in association with this upper feature, but confidence in attaining 10-percent thunderstorm probabilities is low at this time. ..Smith.. 12/21/2025 Read more

Time2025-12-21 07:02:23 UTC2025-12-21 07:02:23 UTC at epicenterLocation30.953°S 65.505°WDepth196.50 km (122.10 mi)

Location: Anza Vly, CA Alert: A(n) Residential No Burn has been called for Sun 12/21/2025. Health Tip: None Feed Last Updated: Sat, 20 Dec 2025 10:22:40 PST

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1114 PM CST Sat Dec 20 2025 Valid 211200Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today. ...Pacific Northwest... Low-amplitude short-wave trough is forecast to approach the Pacific Northwest coast later this evening as modest midlevel height falls spread inland across WA/OR. Latest model guidance suggests weak buoyancy will persist much of the period, particularly near the coast, where onshore flow will contribute to SBCAPE generally less than 100 J/kg. As freezing levels lower, shallow convection may penetrate levels necessary for lightning discharge. For these reasons will maintain 10% probability for isolated thunderstorms, primarily near the coast. ..Darrow/Squitieri.. 12/21/2025 Read more

Time2025-12-21 04:03:38 UTC2025-12-21 04:03:38 UTC at epicenterLocation43.430°N 148.041°EDepth10.00 km (6.21 mi)

Harrisburg PA Tonight Mostly cloudy, with a low around 32. Southeast wind around 8 mph becoming southwest after midnight. Sunday Mostly sunny, with a high near 41. West wind 8 to 16 mph, with...

PAGER - GREEN ShakeMap - IV DYFI? - IVTime2025-12-21 01:29:03 UTC2025-12-21 01:29:03 UTC at epicenterLocation40.777°N 142.099°EDepth55.35 km (34.40 mi)

Time2025-12-21 00:22:24 UTC2025-12-21 00:22:24 UTC at epicenterLocation43.640°N 147.842°EDepth34.68 km (21.55 mi)

Time2025-12-21 00:19:00 UTC2025-12-21 00:19:00 UTC at epicenterLocation43.316°N 148.037°EDepth10.00 km (6.21 mi)

Location: N Coastal Orange, CA Alert: A(n) Residential No Burn has been called for Sat 12/20/2025. A(n) Residential No Burn has been called for Sun 12/21/2025. Health Tip: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors Feed Last Updated: Sat, 20 Dec 2025 04:22:43 PST

No watches are valid as of Sun Dec 21 00:25:02 UTC 2025.